Question 1

Which structure selectively regulates the transport of substances into and out of a plant cell?

Accepted Answer

A)  The plasma membrane
B)  The cell wall
C)  The nucleus
D)  The chloroplastE) A) and B)
F) A) and C)

Question 2

Which organelle functions to break down and recycle large molecules?

Accepted Answer

A)  Ribosome
B)  Golgi apparatus
C)  Lysosome
D)  ChloroplastE) A) and B)
F) None of the above

Question 3

If you were looking at a cell under a powerful microscope, what would tell you that it is a eukaryotic cell?

Accepted Answer

A)  It has ribosomes.
B)  It has DNA.
C)  It has a nucleus.
D)  It is moving.E) All of the above
F) B) and C)

Question 4

Ribosomes are directly associated with which process?

Accepted Answer

A)  Transcription
B)  Translocation
C)  Translation
D)  ReplicationE) A) and D)
F) None of the above C

Question 5

If a cell had a damaged central vacuole, it would have difficulty performing what function?

Accepted Answer

A)  Storing water
B)  Converting light energy into food molecules
C)  Converting food energy into cellular energy
D)  Assembling lipidsE) C) and D)
F) A) and D)

Question 6

How is DNA linked to the production of proteins?

Accepted Answer

A)  Proteins hold the instructions on how to make DNA.
B)  DNA is the end point of protein production that allows cells to finish making proteins.
C)  DNA holds the instructions for the cells on how to make proteins.
D)  DNA is not linked to the production of proteins.E) A) and D)
F) A) and C)

Question 7

Which of the following statements is correct regarding chromosomes in a eukaryotic cell?

Accepted Answer

A)  Chromosomes are strands of DNA, tightly wrapped up, that are located everywhere in the cell.
B)  Chromosomes are strands of RNA, tightly wrapped up, that are in the cytoplasm.
C)  Chromosomes are strands of DNA, tightly wrapped up, that are located in the nucleus.
D)  Chromosomes are strands of RNA, loosely wrapped up, that are located everywhere in the cell.E) C) and D)
F) A) and C)

Question 8

Four small bags are filled with a 10% starch solution.The membrane of each bag contains microscopic pores large enough to let smaller water molecules cross but too small for the larger starch molecules to cross.
Each bag is placed in a separate beaker as follows:
Bag 1 is placed in distilled water containing no starch (0% starch).
Bag 2 is placed in a solution of distilled water and 5% starch.
Bag 3 is placed in a solution of distilled water and 10% starch.
Bag 4 is placed in a solution of distilled water and 50% starch.
The bags are weighed initially and at regular intervals for a specific period of time.Some bags saw a change in weight, and some did not.

Accepted Answer

a.Bag 3; b.Bag 1; c.Bag 4

Question 9

What is a phospholipid?

Accepted Answer

A)  A special kind of lipid with a water-fearing head and 2 water-loving tails
B)  A special kind of lipid with a water-loving head and 2 water-fearing tails
C)  A special kind of lipid with 2 water-loving heads and 1 water-fearing tail
D)  A special kind of lipid with 2 water-fearing heads and 1 water-loving tailE) C) and D)
F) A) and C)

Question 10

Eukaryotes are ________.

Accepted Answer

A)  always multicellular
B)  often multicellular, sometimes unicellular
C)  always unicellular
D)  often made of prokaryotic cellsE) B) and C)
F) A) and B)

Question 11

Evaluate the statement: only the nucleus of eukaryotic cells contains DNA.

Accepted Answer

A) True 
 B)False

Question 12

What harvests energy from sunlight to rearrange molecules into sugar?

Accepted Answer

A)  Chloroplasts
B)  Mitochondria
C)  Nucleus
D)  LysosomeE) B) and D)
F) All of the above

Question 13

What is the definition of endocytosis?

Accepted Answer

A)  The entire plasma membrane turns itself inside out.
B)  The digestion of larger molecules that were brought into the cell.
C)  The transport of large molecules into the cell.
D)  The transport of large molecules out of the cell.E) B) and C)
F) All of the above C

Question 14

How is heat involved in photosynthesis and respiration?

Accepted Answer

A)  It is a waste product.
B)  It is a needed input for both reactions.
C)  It is a needed input for respiration only, and a product for photosynthesis.
D)  Heat is not involved in photosynthesis or in respiration.E) C) and D)
F) None of the above

Question 15

What is ATP?

Accepted Answer

A)  A protein
B)  A carbohydrate
C)  An energy molecule
D)  An information storage moleculeE) A) and C)
F) All of the above

Question 16

Prokaryotes consist of ________.

Accepted Answer

A)  organisms belonging all to the same domain, bacteria
B)  organisms belonging to two different domains, bacteria and archaea
C)  organisms belonging to three different domains, bacteria, archaea, and protists
D)  organisms belonging to eukaryotesE) A) and B)
F) A) and C)

Question 17

Which cellular structure is unique to plant cells?

Accepted Answer

A)  Ribosome
B)  Chloroplasts
C)  Mitochondria
D)  Plasma membraneE) A) and B)
F) All of the above

Question 18

Which of the following statements is correct?

Accepted Answer

A)  Prokaryotic cells and eukaryotic cells evolved at about the same time.
B)  Prokaryotic cells evolved a lot earlier (over a billion years) than eukaryotic cells.
C)  Eukaryotic cells evolved a lot earlier (over a billion years) than prokaryotic cells.
D)  Scientists do not have any evidence regarding whether prokaryotic or eukaryotic cells evolved first.E) B) and C)
F) A) and B)

Question 19

Do only plants have vacuoles?

Accepted Answer

A)  Yes, only plants cells have vacuoles.
B)  No, other organisms, such as certain types of fungi and protists, have vacuoles that serve different functions.
C)  No, other organisms, such as certain types of fungi and protists, have vacuoles that serve the same function as in plant cells.
D)  No, bacteria also contain vacuoles that serve the same functionE) A) and C)
F) None of the above

Question 20

The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm)  is called a ________.

Accepted Answer

A)  vesicle
B)  flagellum
C)  pilus
D)  ciliumE) All of the above
F) A) and D)

Exam 3: The Cell: The Fundamental Unit of Life

Which structure selectively regulates the transport of substances into and out of a plant cell?

Correct Answer
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Which organelle functions to break down and recycle large molecules?

Correct Answer
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If you were looking at a cell under a powerful microscope, what would tell you that it is a eukaryotic cell?

Correct Answer
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Ribosomes are directly associated with which process?

Correct Answer
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C

If a cell had a damaged central vacuole, it would have difficulty performing what function?

Correct Answer
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How is DNA linked to the production of proteins?

Correct Answer
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Which of the following statements is correct regarding chromosomes in a eukaryotic cell?

Correct Answer
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Correct Answer
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a.Bag 3; b.Bag 1; c.Bag 4

What is a phospholipid?

Correct Answer
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Eukaryotes are ________.

Correct Answer
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Evaluate the statement: only the nucleus of eukaryotic cells contains DNA.

Correct Answer
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What harvests energy from sunlight to rearrange molecules into sugar?

Correct Answer
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What is the definition of endocytosis?

Correct Answer
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C

How is heat involved in photosynthesis and respiration?

Correct Answer
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What is ATP?

Correct Answer
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Prokaryotes consist of ________.

Correct Answer
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Which cellular structure is unique to plant cells?

Correct Answer
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Which of the following statements is correct?

Correct Answer
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Do only plants have vacuoles?

Correct Answer
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The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm) is called a ________.

Correct Answer
verified

Exam 3: The Cell: The Fundamental Unit of Life

Which structure selectively regulates the transport of substances into and out of a plant cell?

Correct AnswerverifiedShow Answer

Which organelle functions to break down and recycle large molecules?

Correct AnswerverifiedShow Answer

If you were looking at a cell under a powerful microscope, what would tell you that it is a eukaryotic cell?

Correct AnswerverifiedShow Answer

Ribosomes are directly associated with which process?

Correct AnswerverifiedC

If a cell had a damaged central vacuole, it would have difficulty performing what function?

Correct AnswerverifiedShow Answer

How is DNA linked to the production of proteins?

Correct AnswerverifiedShow Answer

Which of the following statements is correct regarding chromosomes in a eukaryotic cell?

Correct AnswerverifiedShow Answer

Correct Answerverifieda.Bag 3; b.Bag 1; c.Bag 4

What is a phospholipid?

Correct AnswerverifiedShow Answer

Eukaryotes are ________.

Correct AnswerverifiedShow Answer

Evaluate the statement: only the nucleus of eukaryotic cells contains DNA.

Correct AnswerverifiedShow Answer

What harvests energy from sunlight to rearrange molecules into sugar?

Correct AnswerverifiedShow Answer

What is the definition of endocytosis?

Correct AnswerverifiedC

How is heat involved in photosynthesis and respiration?

Correct AnswerverifiedShow Answer

What is ATP?

Correct AnswerverifiedShow Answer

Prokaryotes consist of ________.

Correct AnswerverifiedShow Answer

Which cellular structure is unique to plant cells?

Correct AnswerverifiedShow Answer

Which of the following statements is correct?

Correct AnswerverifiedShow Answer

Do only plants have vacuoles?

Correct AnswerverifiedShow Answer

The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm) is called a ________.

Correct AnswerverifiedShow Answer

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C

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a.Bag 3; b.Bag 1; c.Bag 4

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C

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