Cell Theory

the process of increasing in physical size.

• Growth

To whom was Leeuwenhoek sending mail to in England?

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Which of the following is considered a function of life?

• Metabolism
• Growth
• Reproduction
• All of the above
• None of the above

The ___ is the basic unit of sturucture and function of organisms

• atom
• cell
• matter
• all other answers are correct

A cell structure that controls which substances can enter or leave the cell.

• cell membrane

61. Which type of microscope uses a laser beam to visualize and manipulate individual molecules and cells?

• Scanning tunneling microscope
• Light microscope
• Phase-contrast microscope
• Transmission electron microscope

Which of the following is larger than tRNA?

• Codon
• Nucleotide
• Virus
• All of the above
• None of the above

90. Which statement is part of the modern cell theory?

• All cells are prokaryotic.
• All cells come from pre-existing cells.
• Cells do not contain genetic material.
• All cells are multicellular.

28. Which type of cell has a cell wall, chloroplasts, and a large central vacuole?

• Plant cell
• Animal cell
• Prokaryotic cell
• Fungal cell

Which of the following is NOT made up of cells?

• snowflake
• earthworm
• tree
• human

98. Which part of the cell theory states that all metabolic reactions occur within cells?

• Cells are the sites of all metabolic reactions.
• Cells are the basic units of structure and function in living organisms.
• All living things are composed of cells.
• Cells can only arise from pre-existing cells.

The regulation of salt and water levels within an organism is an example of which of the functions of life?

• Growth
• Nutrition
• Metabolism
• All of the above
• None of the above

what is the 2nd part of the cell theory?

• all living organisms must have cells
• all cells come from other cells
• cells are the basic unit of life

Consisting of many cells

• Multicellular

What did Theodore Schwann observe?

• Plant Cells
• Animal Cells
• Bacteria

First scientist to see cells under a microscope and call them cells

• Matthias Schleiden
• Robert Hooke
• Theodor Schwann
• Rudolf Virchow

Which of the following would be a reasonable size for a molecule?

• 100 nm
• 10 nm
• 1 nm
• All of the above
• None of the above

An embryo developing fingers from flippers is an example of which of the functions of life?

• Response
• Homeostasis
• Metabolism
• All of the above
• None of the above

Which of the following would be a reasonable size for an organelle?

• 10 mm
• 10 um
• 10 nm
• All of the above
• None of the above

unicellular organism that lacks a nucleus

• Prokaryote

prokaryotic cells...

• have a nucleus
• don´t have a nucleus

Which of the following statements is not part of the cell theory?

• Cells are the basic unit of structure and function in all living things.
• All cells are produced from other cells.
• Only animal cells are composed of cells.
• All living things are composed of cells.

A rigid structure that surrounds the cell membrane and provides support to the plant cell

• cell wall

15. What is the name for the gel-like substance inside the cell that surrounds the organelles?

• Nucleoplasm
• Cytoplasm
• Cytosol
• Endoplasm

Why was microscope essential for the development of the cell theory?

Which type of cell contains a cell wall?

• Plant Cell

Which of the following is larger than a bacterium?

• Organelle
• Virus
• Membrane
• All of the above
• None of the above

The combination of all cells in an organism working together determines the

• birthplace of an organism.
• the parents of an organism.
• personality of an organism.
• the shape and function of an organism.

Some organisms are composed of only one cell.

• True
• False

Cell theory states that...

• cells are the basic building block of life
• cells are cool
• cells are microscopic
• cells cannot be destroyed

40. Which organelle is responsible for the synthesis of lipids and detoxification of drugs and poisons?

• Smooth endoplasmic reticulum
• Golgi apparatus
• Mitochondria
• Lysosome

TRUE OR FALSE: Viruses are made of cells.

• True
• False

Some organisms are composed of many cells.

• True
• False

What are the 3 parts to the cell theory?

71. What is the correct sequence of the development of the cell theory by scientists?

• Hooke, Schleiden, Schwann
• Schleiden, Schwann, Virchow
• Leeuwenhoek, Mendel, Hooke
• Pasteur, Virchow, Leeuwenhoek

31. Which scientist is known for his studies on the movement of fluids in plants, contributing indirectly to cell theory?

• Anton van Leeuwenhoek
• Jan Ingenhousz
• Matthias Schleiden
• Robert Brown

Cell organelle that stores materials such as water, salts, proteins, and carbohydrates

• Vacuole

54. Which scientist is credited with discovering and describing the nucleus within the cell?

• Anton van Leeuwenhoek
• Matthias Schleiden
• Robert Brown
• Louis Pasteur

13. What is the main function of the cell membrane?

• Regulate the passage of substances in and out of the cell.
• Store genetic information.
• Produce ATP.
• Synthesize proteins.

A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?

• Plants have cells but animals do not.
• They are both made of one or more cells.
• They both come from the same kind of cell.
• They both come from a non-living organism.

Which of the following is larger than a virus?

• Membrane
• Lysosome
• ATP
• All of the above
• None of the above

Check all that are true about multicellular organisms.

79. What is the primary function of the cell membrane?

• Regulate the passage of substances in and out of the cell.
• Store genetic information.
• Produce ATP.
• Synthesize proteins.

Which instrument is credited for helping scientists develop cell theory?

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True or False?Cell is the basic unit of life...

• True
• False

Which type of protist uses a pseudopod to move?

• Amoeba
• Euglena
• Paramecium

78. Who is credited with improving and popularizing the microscope, leading to significant advancements in cell theory?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

What is known as the "intracellular highway" in the cell?

• Endoplasmic Reticulum
• Golgi Apparatus
• Cell Membrane
• Nucleus

83. What is the name for the gel-like substance inside the cell that surrounds the organelles?

• Nucleoplasm
• Cytoplasm
• Cytosol
• Endoplasm

Where are Ribsomes located in the cell?

• Rough ER
• Endoplasmic Reticulum
• Nucleus
• Smooth ER

This is the most basic unit of life:

• cell

All cells -----

• are produced by dead cells
• come from other living cells
• crystallize out of air

Which of the following are parts of cell theory?

Which of the following statements is true?

• Plants and animal cells have cell walls for protection.
• Animal cells have one large vacuole; the plant cell has tiny ones.
• Plant cells contain chlorophyll; animal cells have lysosomes.
• Animal cells are box shaped; plant cells are circular.

Storage area for water and other substances in a cell.

• Vacuole

What did Leeuwenhoek do?

• Looked at cork
• Stated that animals are made of cells
• All plants are made of cells
• Used simple light microscope and saw microorganisms

The invention of the microscope made it possible for people to discover and learn about

• Plants
• Skin
• Animals
• Cells

a ______ is chemical reactions inside the cell.

• metabolism

What did Anton Van Leeuwenhoek do instead of buying a microscope?

• He stole one.
• He borrowed one from a friend.
• He built his own.
• He used a telescope.

plant-like protists that is mostly aquatic

• Algae

The arrangement of parts in an organism

• structure

39. Who coined the term "protoplasm" to describe the substance of living cells?

• Anton van Leeuwenhoek
• Johann D. E. Schleiden
• Robert Hooke
• Louis Pasteur

94. Which organelle is responsible for producing ATP, the cell's energy currency?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

What do we mean by "cellular organization"?

• The Cell Theory organizes how we think about living things.
• Cells are the basic building blocks of all living things because all living things are composed of cells.
• There is a hierarchy in the importance of cells in a living thing.
• All of these

65. Which organelle is responsible for packaging and modifying proteins for transport within or outside the cell?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Peroxisome

What piece is a larger knob usually found on either the body tube or the arm and it is used to focus the image under low power?

• Aperture
• Fine Adjustment Knob
• Diaphragm
• Coarse Adjustment Knob

Prokaryotes DO NOT HAVE...

• DNA
• flagella
• a membrane bound nucleus
• ribosomes

7. Who discovered the presence of the nucleus in plant cells?

• Schwann
• Robert Brown
• Hooke
• Pasteur

Father and Son team invented the 1st compound microscope

• Robert and John Hooke
• Hans and Zacharias Janssen
• Mattias and Jacob Schleiden
• Rudolf and Hans Virchow

Which of the following is a reason that biologists study unicellular organisms?

• They are small and easily grown in the laboratory
• They are the simplest organism which carries on all of the functions of life
• They reproduce quickly
• All of the above
• None of the above

What did M. Schleiden find out?

• All animal cells are made of cells
• All animals have voting rights
• All animal cell have different functions
• All plants are made cells

Who looked at cork and named the cell?

• Robert Hooke

single-celled or simple multicellular eukaryotic organisms that generally do not fit in any other kingdom

• Protists

68. Which organelle is responsible for producing ATP, the cell's energy currency?

• Mitochondria
• Golgi apparatus
• Endoplasmic reticulum
• Lysosome

T.Schwann did which of the following?

• He said that plants are not made of cells
• Said that animals aren't made of cells
• Stated that all plants have cell
• Stated that all animals have cells

Which of the following is maintained through homeostasis?

• Reproduction
• Growth
• Temperature
• All of the above
• None of the above

The basic unit of structure and function in living things

• Cells

What type of organism consists of many cells?

• Unicellular Organism
• MulticellularOrganism
• Virus
• Cell Theory

In 1665, I created one of the first microscopes and used it to discover cells.

• Robert Hooke
• Anton Van Leewenhoek
• Rudolph Virchow
• Matthias Schlieden

What does the Cell Theory state?

• That all living things are made of cells
• Every cell has only one nucleus
• That plants cannot have cells
• Animals are only one that have cells

Why is it necessary to understand and to look back on the history of the development of the cell theory?

Which of the following is larger than a codon?

• Nucleotide
• Ribosome
• ATP
• All of the above
• None of the above

Eukaryote

All organisms are made of:

• organelles
• cytoplasm
• DNA
• cells

who collaborated to form the first 2 parts of cell theory?

• Hooke & Leeuwenhoek
• Virchow & Schwann
• Schwann & Schleiden
• Schleiden & Hooke

TRUE OR FALSE: All the following things are non-living: A treeA bookA water bottle

• True
• False

80. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Light microscope
• Electron microscope
• Scanning tunneling microscope

A person pulling fingers back from a hot stove is an example of which of the functions of life?

• Homeostasis
• Response
• Reproduction
• All of the above
• None of the above

Which of the following is NOT made of cells?

• a rock
• an ant
• you and me
• a tree

17. What is the function of the endoplasmic reticulum in a cell?

• Synthesize and transport proteins and lipids.
• Store genetic material.
• Break down cellular waste.
• Produce ATP.

He refuted spontaneous generation.

• Lazzaro Spallanzani

All cells come from___________ cells.

• pregnant
• pre-existing
• paternal
• pin size

Who observed the first living cells and referred to them as "animalcules" (little animals)?

• Mathias Schlieden
• Robert Hooke
• Theodore Schwann
• All of the above
• None of the above

what are the 2 main types of cells?

The__________ sharpens the image under high magnification.

• the diaphragm
• fine adjustment knob
• coarse adjustment knob
• the ocular

What magnification are the 3 objective lens?

• 4 40 10

27. Which scientist is known for his contributions to the understanding of the inheritance of traits, although not directly related to cell theory?

• Matthias Schleiden
• Anton van Leeuwenhoek
• Robert Brown
• Gregor Mendel

Which of the functions of life involves providing a source of compounds which provide an organism with energy and chemical compounds to maintain life?

• Metabolism
• Nutrition
• Homeostasis
• All of the above
• None of the above

Which of the following is a statement which comprises part of the modern cell theory?

• All organisms are composed of one or more cells
• Cells are the smallest units of life
• All cells come from pre-existing cells
• All of the above
• None of the above

66. Who is credited with improving and popularizing the microscope, leading to significant advancements in cell theory?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

60. Who is credited with the discovery of the first cell?

• Robert Hooke
• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur

44. Which organelle is responsible for synthesizing and packaging proteins for secretion from the cell?

• Rough endoplasmic reticulum
• Golgi apparatus
• Mitochondria
• Lysosome

The German scientist, ________ concluded all animals are made up of cells.

• Matthais Schleidon
• Theodore Schwann
• Rudolf Virchow
• Anton Van Leeuwenhoek
• Robert Hooke

Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?

• The Theory of Gravity
• The Theory of Relativity
• The Cell Theory
• The Theory of Continental Drift

I was a zoologist. I studied animals and discovered that they all are made of cells.

• Anton Van Leewenhoek
• Rudolph Virchow
• Matthias Schlieden
• Theodor Schwann

86. Who discovered the presence of the nucleus in plant cells?

• Schwann
• Robert Brown
• Hooke
• Pasteur

A lizard basking on a rock to warm up is an example of which of the functions of life?

• Metabolism
• Response
• Homeostasis
• All of the above
• None of the above

Where do cells come from?

• Dead cells
• Soil
• Other existing cells
• Free cell formation

I was a physician who studied cancer cells. I discovered that cells come from other cells.

• Anton Van Leewenhoek
• Matthias Schleiden
• Rudolph Virchow
• Theodor Schwann

A baby learning to walk is an example of which of the functions of life?

• Growth
• Response
• Homeostasis
• All of the above
• None of the above

Homeostasis in a cell is a way for the cell to stay ...

• Balanced
• Alive
• Growing
• Dividing

48. Which statement is true about eukaryotic cells?

• They have a true nucleus enclosed within a membrane.
• They lack membrane-bound organelles.
• They are typically smaller than prokaryotic cells.
• They lack genetic material.

Where does Cellular Respiration take place within the cell?

• Nucleus
• Ribsomes
• Mitochondria
• Endoplasmic Reticulum

Which of the following would be a reasonable size for a membrane?

• 10 um
• 10 nm
• 10 pm
• All of the above
• None of the above

58. Which organelle contains enzymes that break down cellular waste and foreign substances, making it essential for cellular digestion?

• Lysosome
• Golgi apparatus
• Mitochondria
• Nucleus

Which function of life iincludes all of the chemical reactions that occur within an organism?

• Homeostasis
• Metabolism
• Nutrition
• All of the above
• None of the above

85. Which part of the cell theory states that all metabolic reactions occur within cells?

• Cells are the sites of all metabolic reactions.
• Cells are the basic units of structure and function in living organisms.
• All living things are composed of cells.
• Cells can only arise from pre-existing cells.

The prefix "Multi" means

• many

22. Which organelle is responsible for packaging and modifying proteins for transport within or outside the cell?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Peroxisome

Which of the following is added to a micrograph or a drawing to help show the actual size of the structures pictured?

• Ruler
• Magnification power
• Scale bar
• All of the above
• None of the above

82. Which scientist first observed and described animalcules (microorganisms) using microscopes?

• Robert Brown
• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur

multicellular eukaryote that produces its own food through photosynthesis

• plant

62. What is the function of the nucleolus within the nucleus of a cell?

• Ribosome production
• DNA replication
• Lipid synthesis
• Energy production

______________ are the basic unit of life.

• DNA
• RNA
• Cells
• Takis

Control center of cell that contains DNA

• Nucleus

Which of the following could be considered an extention or exception to the cell theory?

• Skeletal muscle cells
• Fungal hyphae
• Bone (with its extracellular material)
• All of the above
• None of the above

What is the approximate thickness (diameter) of DNA?

• 2 um
• 2 nm
• 2 pm
• All of the above
• None of the above

what is protozoa? who was the first person to observe bacteria and protozoa.

• single celled animal, Anton van Leeuwenhoek

who named a ¨cell¨?

• Robert Hooke
• Anton Van Leeuwenhoek
• Theodor Schwann
• Matthias Schleiden

____ is credited with being the first scientist to observe cork cells.

• Leewenhoek
• Shleidon
• Hooke

20. Which scientist is known for his work on the fermentation process, disproving the idea of spontaneous generation?

• Matthias Schleiden
• Robert Hooke
• Anton van Leeuwenhoek
• Louis Pasteur

What is the basic structural and functional unit of all living things?

• atom
• cell
• bacteria
• animalcules

96. What is the name

• Nucleoplasm
• Cytoplasm
• Cytosol
• Endoplasm

Organisms made up of more than 1 type of cell are called _________________ organisms

• Multicellular

1. Who is credited with formulating the cell theory?

• Robert Hooke
• Matthias Schleiden
• Theodor Schwann
• Anton van Leeuwenhoek

Which scientist was credited as being the first in observing cells?

• Hooke
• Leewenhoek
• Virchow

34. Who proposed the idea that "all animals are made of cells"?

• Anton van Leeuwenhoek
• Robert Hooke
• Theodor Schwann
• Louis Pasteur

What is evidence?

• data that supports the book
• data that supports the claim
• data that is cool
• data that is wrong

57. Who is known for his work on the structure of the cell membrane and its selective permeability?

• Anton van Leeuwenhoek
• Albert Szent-Györgyi
• Matthias Schleiden
• Robert Hooke

3. Which scientist first observed and described cells in cork?

• Robert Hooke
• Gregor Mendel
• Anton van Leeuwenhoek
• Louis Pasteur

47. Which organelle is responsible for the production of ribosomal RNA (rRNA)?

• Nucleolus
• Lysosome
• Golgi apparatus
• Mitochondria

Which of the following is larger than a membrane (in diameter)?

• Virus
• Lysosome
• Vacuole
• All of the above
• None of the above

12. Who is credited with improving and popularizing the microscope, leading to significant advancements in cell theory?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

Cells...

55. Which type of microscope uses a focused beam of electrons to visualize the surface of specimens?

• Scanning electron microscope
• Light microscope
• Phase-contrast microscope
• Transmission electron microscope

True or False? All cells don't come from pre-existing cells.

• True
• False

10. Which scientist proposed that "all plants are made of cells"?

• Louis Pasteur
• Matthias Schleiden
• Robert Hooke
• Anton van Leeuwenhoek

What does a Prokaryotic cell lack?

• Cell Membrane
• Ribsomes
• Nucleus
• DNA

49. Who conducted experiments that refuted the idea of spontaneous generation by showing that microorganisms only grew in broth when exposed to air?

• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur
• Robert Hooke

Why is skeletal muscle sometimes considered an exception to the cell theory?

• Because it is formed by the fusion of several cells
• Because it is formed of very large fibers
• Becuase it contains cells which each have several nuclei
• All of the above
• None of the above

The third statement of The Cell Theory. This is based on Rudolf Virchow's observation of living cells reproducing.

• Cells only come from living cells.

He studied animals. He looked at animal tissues under the microscope and saw cells. He came to the conclusion, "All animals are made of cells".

• Theodor Schwann

72. Which part of the cell theory states that all metabolic reactions occur within cells?

• Cells are the sites of all metabolic reactions.
• Cells are the basic units of structure and function in living organisms.
• All living things are composed of cells.
• Cells can only arise from pre-existing cells.

what is the 3rd part of the cell theory?

• all living organisms must have cells
• cells are the basic unit of life
• all cells must come from other cells

70. Which of the following is NOT one of the principles of the cell theory?

• All living things are composed of cells.
• Cells are the basic units of life.
• Cells can only arise from pre-existing cells.
• Cells carry out the functions of living organisms.

53. Which organelle is responsible for the digestion of cellular waste and foreign particles in the cell?

• Mitochondria
• Lysosome
• Golgi apparatus
• Smooth endoplasmic reticulum

29. Which organelle is responsible for producing and storing cellular energy in the form of ATP?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

Because a unicellular organisms only exist on a small scale, they..

• Can only live for 24 hours.
• Are usually eaten by larger organisms.
• Can survive with most cells.
• Can only be seen with a microscope.

The first part of the cell theory states "What happens in cell theory, stay in Cell Theory"

26. Which organelle is responsible for breaking down cellular waste and recycling cellular components?

• Mitochondria
• Golgi apparatus
• Endoplasmic reticulum
• Lysosome

Who first observed cells in 1665 while observing cork with a microscope he built himself?

• Mathias Schlieden
• Robert Hooke
• Antione van Leeuvenhoek
• All of the above
• None of the above

35. Which organelle is responsible for maintaining cell turgidity and storing water in plant cells?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Vacuole

91. Who is credited with improving and popularizing the microscope, leading to significant advancements in cell theory?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

All existing cells are produced by other

• living cells
• dead cells
• atom cells
• animal cells

Which of the following is larger than the average molecule?

• Virus
• Organelle
• DNA
• All of the above
• None of the above

I was a botanist. I studied plants and discovered that they all have cells.

• Theodor Schwann
• Matthias Schleiden
• Robert Hooke
• Rudolph Virchow

Life only comes from life means ____________

• Biogenesis

About when did the discovery/development of microscopes begin?

• 1600s

A plant cell is

• Eukaryotic
• Prokaryotic

Where did Rudolf Virchow say cells came from?

• Previous Cells
• Free-Cell Formation

When cells are damaged, new cells are created by cell division. How does the cell theory support this fact?

• It states that all cells have a nucleus which divides.
• It states that all living things are made up of one or more cells.
• It states that cells come from previously existing cells.
• It states that the basic units of structure and function are cells.

59. What is the function of the peroxisome in a cell?

• Synthesize proteins
• Detoxify harmful substances and break down fatty acids.
• Store genetic information
• Produce ATP

33

• Mammals
• Bacteria
• Fungi
• Protists

The basic unit of life

• cell

A living thing

• Organism

Which of the following is a factor which limits cell size?

• Amount of DNA
• Surface to volume ratio
• Amount of heat generated
• All of the above
• None of the above

This scientist was the first to identify cells and name them:

• Hooke
• Leeuwenhoek
• Schleiden
• Virchow

What is the name of the structure labeled #10?

• objective lens
• ocular lens
• aperture
• nosepeice

process by which organisms maintain a relatively stable internal environment

• Homeostasis

76. Which scientist proposed that "all plants are made of cells"?

• Louis Pasteur
• Matthias Schleiden
• Robert Hooke
• Anton van Leeuwenhoek

Material which is eliminated or discarded as no longer useful or required.

• waste

There are three parts to the cell theory. Which is NOT one of those parts?

• All organisms are composed of one or more cells.
• The cell is the basic unit of structure and organization in organisms.
• Cells spontaneously arise from carbon and nutrients carried in the bloodstream.
• All cells come from pre-existing cells.

43. In which part of the cell does DNA replication occur?

• Nucleus
• Mitochondria
• Cytosol

Which of the functions of life involves hereditary molecules that can be passed to offspring?

• Reproduction
• Response
• Growth
• All of the above
• None of the above

A venus flytrap closing its trap in response to a fly is an example of which of the functions of life?

• Response
• Metabolism
• Nutrition
• All of the above
• None of the above

If something has its growth limited, is it still considered alive?

• Yes
• No
• Only while it is growing
• It depends on the circumstances
• None of the above

14. Which scientist first observed and described animalcules (microorganisms) using microscopes?

• Robert Brown
• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur

Cells are often called "the ____ of life."

• bread
• road map
• building blocks
• meaning

He saw the first living microorganisms.

• Anton von Leeuwenhoek

He gave us the word "cell" for use with living things. He discovered cells looking at cork.

• Robert Hooke

56. What is the primary function of the central vacuole in plant cells?

• Synthesize proteins
• Store water, nutrients, and waste products.
• Provide structural support
• Produce ATP

87. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Electron microscope
• Light microscope
• Scanning tunneling microscope

who discovered animal cells? what year?

• Robert Hooke1665
• Anton van Leeuwenhoek1670
• Theodor Schwann1839
• Matthias Schleiden1838

63. Who proposed the idea that "all cells come from pre-existing cells" as a key principle of the cell theory?

• Anton van Leeuwenhoek
• Matthias Schleiden
• Theodor Schwann
• Rudolf Virchow

From where did Leeuwenhoek discover bacteria?

• The gunk between his toes.
• The gunk in a dog's teeth.
• The gunk in his ear.
• The gunk in his teeth.

single-celled organisms that lack a nucleus; prokaryotes

• Bacteria

Magnifies small objects

• hand lens

What piece is the platform that supports the microscope slide?

• Base
• Diaphragm
• Stage Clips
• Stage

77. Which statement is part of the modern cell theory?

• All cells are prokaryotic.
• All cells come from pre-existing cells.
• Cells do not contain genetic material.
• All cells are multicellular.

8. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Electron microscope
• Light microscope
• Scanning tunneling microscope

A ______ cell keeps conditions inside the organism within tolerable limits.

• homeostasis

True or False: Bacteria cells have a nucleus

• True
• False

A cell that contains a nucleus and membrane bound organelles

• Eukaryote

What type of organism consists of only one cell?

• Unicellular Organism
• MulticellularOrganism
• Virus
• Cell Theory

*All living things are composed of cells*Cells are the basic units of structure and function in living things*New cells are produced from existing cells

• cell theory

The control center of the cell.

• Vacuole
• Mitochondria
• Cell Wall
• Nucleus

64. In which type of cell would you find membrane-bound organelles such as a nucleus?

eukaryotic cells...

• have a nucleus
• don´t have a nucleus

18. Which organelle is responsible for detoxifying harmful substances in the cell?

• Golgi apparatus
• Peroxisome
• Lysosome
• Mitochondria

Which of the following would be a reasonable size for a cell?

• 100 um
• 50 um
• 10 um
• All of the above
• None of the above

This type of cell doesn't contain a nucleus.

• Prokaryotic
• Eukaryotic
• Fungi
• Bacteria
• Body Cells

Why was the term “cell” used in reference to the chambers he observed in the cork? They looked like __________.

• the rooms monks slept in in their monasteries.
• office cubicals.
• high school lockers.
• cemetery plots.

Cells that do not enclose their DNA in nuclei; bacteria

• prokaryotes

23. Who is considered the "Father of Microbiology" for his pioneering work in microbiology and the development of the microscope?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

Unicellular and Multicellular is?

• 1 cell; Multi: 2+ cells
• 2+ cells; Multi: 200 cells
• 4+ cells; Multi: 145.00 cells
• None of the above

Robert Hooke was...?

• The 1st to see a cell, and named it a cell(a room); looked at cork; saw a line of cells that reminded him of rooms.
• Said that al plants are multicellular
• Said that the begining unit is always a cell
• Was the 2nd person to see a man on earth

Which scientist contributed to the 3rd part of the cell theory

• Matthias Schleiden
• Robert Hooke
• Rudolf Virchow
• Theodor Schwann

100. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Electron microscope
• Light microscope
• Scanning tunneling microscope

89. Which scientist proposed that "all plants are made of cells"?

• Louis Pasteur
• Matthias Schleiden
• Robert Hooke
• Anton van Leeuwenhoek

73. Who discovered the presence of the nucleus in plant cells?

• Schwann
• Robert Brown
• Hooke
• Pasteur

All living things share 6 common characteristics. This means that

• All living things must exhibit most of these characteristics.
• All living things exhibit at least one of these characteristics at all times.
• All living things pitch in to help each other so that no one goes without.
• All living things exhibit all 6 characteristics, or they are not considered living things.

strong, supporting layer around the cell membrane in some cells

• cell wall

What is one way in which all living things on Earth are alike?

• All living things have hair.
• All living things are made of cells and come from other cells.
• The cells of all living things have chloroplast.
• All living things can move.

An embryo developing a heart valve is an example of which of the functions of life?

• Homeostasis
• Growth
• Response
• All of the above
• None of the above

Which of the following would be a reasonable size for a bacterium?

• 10 um
• 1 um
• 100 nm
• All of the above
• None of the above

25. What is the primary function of the nucleolus within the nucleus of a cell?

• Ribosome production
• DNA replication
• Lipid synthesis
• Energy production

69. Which scientist first observed and described cells in cork?

• Robert Hooke
• Gregor Mendel
• Anton van Leeuwenhoek
• Louis Pasteur

5. What is the correct sequence of the development of the cell theory by scientists?

• Schleiden, Schwann, Virchow
• Hooke, Schleiden, Schwann
• Leeuwenhoek, Mendel, Hooke
• Pasteur, Virchow, Leeuwenhoek

The prefix "Uni" means

• one

The regulation of internal temperature is an example of which of the functions of life?

• Homeostasis
• Metabolism
• Nutrition
• All of the above
• None of the above

Genetic Material that is passed from cell to cell

• mRNA
• RNA
• DNA
• ATP

There are three types of bacteria - Coccus, Bacilli, & Spirilla. Which of the following picture shows the spirilla.

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what is the 1st part of the cell theory?

• all cells come from other cells
• all living organisms must have cells
• cells are the basic unit of life

There are three tenets of the Cell Theory. Which of the following is NOT a tenet?

• Cells are the basic structure and function of life.
• All living things are made of one or more cells.
• The cell is the basic unit of matter.
• All cells come from preexisting cells.

88. Which organelle is responsible for producing and storing cellular energy in the form of ATP?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

This scientist proposed that all cells come from other cells:

• Leeuwenhoek
• Schleiden
• Schwann
• Virchow

Which statement was NOT included in cell theory?

• All living things are composed of cells.
• Living cells come only from other living cells.
• Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.
• Cells are the smallest structure of living things that can perform the functions necessary for life.

93. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Light microscope
• Electron microscope
• Scanning tunneling microscope

Cells come only from what?

• existing cells
• nucleus
• fission
• budding

TRUE OR FALSE: Living things and non-living things are both made of cells?

• True
• False

device that produces magnified images of structures that are too small to see with the unaided eye

• microscope

the process by which your body gets energy from food

• Metobolism

Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

Which scientist concluded that all cells come from other cells?

• Schleidon
• Hooke
• Leeuwenhoek
• Virchow

What is one way that bacteria differ from plants, animals, and most fungi?

• Bacteria are unicellular organisms.
• Bacteria need to be kept in cold environments.
• Bacteria need other organisms in order to survive.
• Bacteria are able to divide their cells in order to survive.

"Control center of the cell"

• Nucleus
• Nucleolus
• Chromatin
• DNA

The function of the Golgi Apparatus is to....

• Transport things in & out of the cell
• Package and export proteins
• Hold the genetic material
• Store materials needed for the cell in order to function properly

Robert Hooke was the scientist responsible for naming _____________

• cells

Bacteria is classified as a what?

• Prokaryote
• Eukaryote

This scientist discovered bacteria:

• Hooke
• Schwann
• Leeuwenhoek
• Virchow

who created the 3rd part of the cell theory?

• Rudolph Virchow
• Robert Hooke
• Theodor Schwann
• Matthias Schleiden

21. In which type of cell would you find membrane-bound organelles such as a nucleus?

• Eukaryotic cell
• Prokaryotic cell
• Bacterial cell
• Archaeal cell

When we talk about an organisms ability to use energy to perform its daily functions, we are talking about the organism's

• Psyche
• Metabolism
• Ability to reproduce
• None of these

An organelle found in plant and algae cells where photosynthesis occurs

• Chloroplast

Who was the FIRST person to see cells?

• Robert Hooke
• Anton van Leeuwenhoek
• Charles Darwin
• President Lincoln

I created a more powerful microscope than Robert Hooke. I used it to study pond water and bacteria from teeth.

• Robert Hooke
• Theodor Schwann
• Anton Van Leewenhoek
• Rudolph Virchow

Produce offspring that are similar to the parents

• reproduce

Why is bone sometimes considered an exception to the cell theory?

• Because it contains several types of stem cells which are undifferentiated
• Because it contains large amounts of nonliving extracellular material
• Because it provide structural support to other living cells
• All of the above
• None of the above

Robert Hooke named the small compartments that made up the cork __________after the rooms monks lived in.

• organelles
• membranes
• mocroscopes
• cells

_Select the answers that are examples of organisms

The thin flexible barrier that surrounds a cell

• cell membrane

Cell theory is one of the foundation of

• biology

Which of the functions of life involves the reaction of organisms to environmental stimuli?

• Reproduction
• Response
• Homeostasis
• All of the above
• None of the above

2. What is the basic unit of life according to the cell theory?

• Protein
• Cell
• Molecule
• Atom

Rudolf Virchow's observations helped to disprove was commonly held belief of the time?

How many statement are there in a cell theory?

• 3

Who stated that cell comes from pre-existing cell?

• Matthias Schleiden
• Theodor Schwann
• Rudolf Virchow
• John Needham

42. Which scientist is known for his work on the cell theory and his advocacy for the use of microscopes in scientific research?

• Marcello Malpighi
• Anton van Leeuwenhoek
• Matthias Schleiden
• Robert Hooke

Powerhouse of the cell, organelle that is the site of ATP (energy) production

• Mitochondria

This scientist concluded that plants are made of cells:

• Virchow
• Schleiden
• Schwann
• Leeuwenhoek

The process plants use to make food.

• Cellular Respiration
• Photosynthesis
• Function
• Nucleus

The first part of The Cell Theory based on the work of Matthias Schleiden and Theodor Schwann.

• All living things are made of cells.

Which is not true of the cell theory?

• All living organisms are composed of cells.
• All cells have a nucleus, which acts like a brain of the cell.
• All cells come from preexisting cells.

True or False: ALL cells contain DNA

• True
• False

A tool used by biologists to study microscopic (TINY) details of living things.

• Microscope

what is the smallest structural and functional unit of an organism?

• cell
• homeostasis
• white blood cells
• osmosis

in the year ____ Anton van Leeuwenhoek improved the microscope.

• 1670

What are the tiny boxes Robert Hooke saw in this drawing?

• Cells

74. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Electron microscope
• Light microscope
• Scanning tunneling microscope

What famous scientist did Robert Hooke “lock horns with”?

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4. Which of the following is NOT one of the principles of the cell theory?

• All living things are composed of cells.
• Cells are the basic units of life.
• Cells can only arise from pre-existing cells.
• Cells carry out the functions of living organisms.

What piece holds the microscope slide in place ?

• Base
• Diaphragm
• Stage Clips
• Stage

What is the most important chemical for life?

• Water
• Carbon dioxide
• Sodium chloride
• Helium

99. Who discovered the presence of the nucleus in plant cells?

• Schwann
• Robert Brown
• Hooke
• Pasteur

All organisms have cells

• True
• False

84. Who proposed the idea that cells can only arise from pre-existing cells?

• Rudolf Virchow
• Louis Pasteur
• Anton van Leeuwenhoek
• Robert Hooke

Which statement is a part of the cell theory?

• all cells come from preexisting cells
• bacteria are prokaryotic cells
• eukaryotic cells are complex
• humans are multicellular

What year did Robert Hooke name the ¨cell¨?

• 1665
• 1838
• 1639
• 1910

who discovered plant cells? what year?

• Robert Hooke1839
• Anton van Leeuweenhoek1665
• Theodor Schwann1855
• Matthias Schleiden1838

Where did Schleiden think cells came from?

• Previous Cells
• Free-Cell Formation

Which of the following is larger than an organelle?

• Membrane
• Virus
• Bacterium
• All of the above
• None of the above

idea that all living things are composed of cells, and new cells are produced from existing cells

• cell theory

This is the most basic unit of life

• atom
• cell
• nucleus
• DNA

Water is the only chemical found in all living cells.

• True
• False

in the year ____ Rudolph Virchow proposed the 3rd part of the cell theory.

• 1855

The Cell Theory states...

• atoms create all matter
• living things evolve
• the cell is the backbone of all matter
• cells are the basic unit of structure and organization of organisms

51. What is the function of the cilia and flagella in a cell?

• Facilitate cell movement and the movement of substances around the cell surface.
• Synthesize proteins.
• Store genetic information.
• Produce ATP.

What did Schwann conclude?_____ animal cells are made up of cells.

• All

37. Which scientist is credited with discovering and naming cells?

• Robert Hooke
• Matthias Schleiden
• Anton van Leeuwenhoek
• Louis Pasteur

What is the function of Ribosomes?

• Produce ATP
• Protein Synthesis
• Carries genetic material
• Protects the cell from harmful substances

Made of a single cell

• Unicellular

An organism is...

• another word for animal
• a living thing
• anything that moves
• parts of the body

6. Which part of the cell theory states that all metabolic reactions occur within cells?

• Cells are the sites of all metabolic reactions.
• Cells are the basic units of structure and function in living organisms.
• All living things are composed of cells.
• Cells can only arise from pre-existing cells.

67. What is the main function of the cell membrane?

• Regulate the passage of substances in and out of the cell.
• Selectively permeable barrier that separates the cell from its environment.
• Produce ATP.
• Synthesize proteins.

True or False: Every living thing is made of one or more cells?

• True
• False

An increase in the apparent size of an object

• Magnification

This term means life comes from non-life

81. Which organelle is responsible for producing ATP, the cell's energy currency?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

Bacteria is

• Eukaryotic
• Prokaryotic

What did Schleiden conclude?_____ plants are made up of cells.

• All

97. Who proposed the idea that cells can only arise from pre-existing cells?

• Rudolf Virchow
• Louis Pasteur
• Anton van Leeuwenhoek
• Robert Hooke

Which of the following would be a reasonable size for a virus?

• 100 nm
• 1 nm
• 100 pm
• All of the above
• None of the above

Which process turns food into ATP?

• Photosynthesis
• Cellular Respiration
• Protein Synthesis
• Eating

46. Who proposed that "all living things are made up of one or more cells" as a key principle of the cell theory?

• Anton van Leeuwenhoek
• Theodor Schwann
• Matthias Schleiden
• Louis Pasteur

Cells that are only made of ___ cell are called unicellular.

• one

Complete the hierarchal levels of organization: _____, molecules, cells, tissue

• atom

Why are microscopes important when studying most cells?

• Most cells are very large.
• Most cells are very small.
• Most cells move very quickly.
• Most cells are dead.

_Select the levels ofhierarchical organization that organs are made of

• Cells, organs, tissue
• Organ system, tissue, atoms
• Molecules, cells, tissues
• Atoms, molecules, organ system

What is a claim?

• A statement that is short.
• A statement that answers your question.
• A statement that has no meaning.
• A statement that is wrong.

green organelle, in plant cells, photosynthesis, captures energy from the sun to make glucose

• chloroplast

24. Which type of cell lacks a defined nucleus and membrane-bound organelles?

• Animal cell
• Prokaryotic cell
• Plant cell
• Fungal cell

Why are the hyphae of a fungus sometimes considered an exception to the cell theory?

• Because they contain many nuclei
• Because they have abnormal cell walls
• Because they are not photosynthetic
• All of the above
• None of the above

30. What is the function of the cell wall in plant cells?

• Provide structural support and protection.
• Regulate the passage of substances in and out of the cell.
• Synthesize proteins.
• Store genetic information.

A microscope has an ocular magnification of 10 and a high power objective magnification of 50. What is the highest total magnification of the microscope?

• 500x
• 400x
• 50x
• 40x

Which of the following is larger than a nucleotide?

• Ribosome
• Virus
• Membrane
• All of the above
• None of the above

Organisms made of only one type of cell are called ____________ organisms

• Unicellular

What tool do you use to view the cells?

• metric ruler
• telescope
• microscope
• pipette

Eukaryotes DO HAVE

• a membrane bound nucleus
• a virus
• pili
• antibacterial protection

Which of the following are characteristics of ALL living things?

The smallest unit inside all living things.

• Atoms
• Organs
• Cell
• Tissues

The ____ Is the basic unit of life.

• cell

Improvements in the __________________________ was essential for the development of cell theory

• Spectials
• Camera
• Telescope
• Microscope

Who’s work did Rudolf Virchow “borrow without permission” that led to another scientist feud?

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Tiny structures inside the cell that carry out specific functions.

• Cell Wall
• Atoms
• Cells
• Organelles

Who discovered the first compound microscope?

• Hanz and Zacharias janssen

Which of the following is NOT one of the basic points of Cell Theory?

• All living things are made of cells.
• The cell is the smallest living thing that can perform all the functions of life.
• Cells are too small to see without a microscope.
• All cells must come from pre-existing cells.

16. Who proposed the idea that cells can only arise from pre-existing cells?

• Rudolf Virchow
• Louis Pasteur
• Anton van Leeuwenhoek
• Robert Hooke

11. Which statement is part of the modern cell theory?

• All cells are prokaryotic.
• All cells come from pre-existing cells.
• Cells do not contain genetic material.
• All cells are multicellular.

Which picture does NOT belong?

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Controls what enters and leaves the cell.

• Cell Membrane
• Nucleus
• Vacuole
• Cell

Cells that enclose their DNA in nuclei; animal and plant cells

• eukaryotes

The 3 scientists most responsible for the development of Cell Theory are:

• Robert Hook, Albert Einstein, Carolus Linnaeus
• Theodor Schwann, Matthias Schleiden, and Rudolf Virchow
• Robert Hooke, Rudolf Virchow, Teresa Engebretsen
• Theodor Schwann, Rudolf Virchow and Robert Hooke

38. What is the primary function of the cytoskeleton in a cell?

• Provide structural support and facilitate cell movement.
• Synthesize proteins.
• Store genetic information.
• Produce ATP.

This type of cell does contain a nucleus.

• Prokaryotic
• Eukaryotic
• Bacteria Cells
• Archaebacteria

What is wrong this how the student is carrying the microscope in the image?

• They are using two hands.
• They are carrying it close to their body.
• The plug is not wrapped around the base.
• They are walking.

Which of the functions of life involves maintaining a constant internal environment?

• Metabolism
• Response
• Nutrition
• All of the above
• None of the above

45. What is the primary function of the Golgi apparatus in a cell?

• Synthesize lipids
• Modify, package, and transport proteins and lipids.
• Break down cellular waste.
• Produce ATP.

Which technology was essential for the development of the cell theory?

• Telescope
• Antiseptics
• Microwaves
• Microscopes

75. Which organelle is responsible for producing and storing cellular energy in the form of ATP?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

a _______ cell provides protection against enemies.

• defense

52. Who is known for his observations of plant cells and their nuclei, contributing to the understanding of cell structure?

• Anton van Leeuwenhoek
• Robert Hooke
• Robert Brown
• Louis Pasteur

True or False: All cells come from pre-existing cells

• True
• False

What gives the cell it's framework?

• Cell Membrane
• Plasma Membrane
• Cell Wall
• Cytoskeleton

This photo shows...

• how humans are born
• the levels of hierarchal organization
• the nervous system
• a living thing

True or False? The beginning unit is always a cell. it starts from cells to tissues to organs to organ system to organisms.

• True
• False

32. In which cellular organelle does photosynthesis take place?

• Mitochondria
• Chloroplast
• Nucleus
• Lysosome

True or False:Robert Hooke invented the FIRST microscope.

• true
• false

What happens when the cell of a unicellular organism dies?

• A new cell will grow and sustain the organism.
• The organism’s cell divides, but the cell is much smaller.
• The whole organism dies.
• The organism becomes a multicellular organism.

Which cell organelle is called as the power house of the cell?

• Ribosomes
• Mitochondria
• Lysosomes
• Endoplasmic Reticulation

"All animals are made of cells". This fact was discovered by...

• Matthias Schleiden
• Robert Hooke
• Theodor Schwann
• Rudolf Virchow

He studied plants. He looked at lots of plants under the microscope; their leaves, flowers, roots and stems. He decided that "All plants are made of cells".

• Matthias Schleiden

95. Which scientist first observed and described animalcules (microorganisms) using microscopes?

• Robert Brown
• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur

The second part of Cell Theory states: "All living organisms are made up of cells."

• True
• False
• I don't know
• If you say so

The regulation of pH levels in an organism is an example of which of the functions of life?

• Metabolism
• Response
• Growth
• All of the above
• None of the above

92. What is the primary function of the cell membrane?

• Regulate the passage of substances in and out of the cell.
• Store genetic information.
• Produce ATP.
• Synthesize proteins.

He was a doctor. He studied human illness and looked at diseased body tissue. He observed living cells dividing into two parts. He came to the conclusion that living cells reproduced and made new living cells.

• Rudolph Virchow

Differentiation is an example of which of the functions of life?

• Growth
• Homeostasis
• Response
• All of the above
• None of the above

In "MRS.GRENC" the 'C' stands for...

• cell

9. Which organelle is responsible for producing ATP, the cell's energy currency?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

50. In which type of cell is the DNA not enclosed within a membrane-bound nucleus?

• Prokaryotic cell
• Eukaryotic cell
• Plant cell
• Animal cell

Which of the following are part of the Cell Theory?

A sac inside a cell that acts as a storage area

• Vacuole

The large membrane-enclosed structure that contains genetic information in the form of DNA and controls many of the cell's acitivities

• nucleus

What does the Nucleolus make?

• Chromatin
• DNA
• Ribsomes
• Nuclear Waste

Anton Van Leeuwenhoek was the first to see bacteria and protist in a drop of pond water which hecalled?

• animalcules

19. What is the primary function of ribosomes in a cell?

• Protein synthesis
• Energy production
• Cellular respiration
• DNA replication

What is the scientific theory that states that all living things are made of cells, the cell is the basic unit of life and that all cells come from other cells?

• Multicellular
• Unicellular
• Cell Theory
• Virus

41. What is the function of the nucleoplasm within the nucleus of a cell?

• Ribosome production
• Surround and protect the genetic material.
• Lipid synthesis
• Energy production

When looking at a specimen on your slide, you should always start with the

• low objective lens (x4)
• medium objective lens
• high objective lens
• super extra high power lens

Lastly cell theory states....

• cells don't do much
• cells are microscopic
• all living things are made up of cells (either unicellular or multicellular)
• bacteria aren't cells

What did Matthias Schleiden observe?

• Plant Cells
• Animal Cells
• Bacteria

Where is DNA stored inside of a Prokaryotic cell?

• Cytoplasm

36. Which type of microscope uses a beam of electrons to visualize the internal structures of cells?

• Light microscope
• Phase-contrast microscope
• Electron microscope
• Scanning tunneling microscope