Question 1

Which of the following structures is found in the nucleus?

Accepted Answer

A)   Cristae
B)   Cytosol
C)   Cisternae
D)   Chromosome
E)   Flattened membrane sacsF) B) and C)
G) C) and E)

Question 2

A runner produced hypotonic sweat while running a marathon in hot weather. After the race, he drank large volumes of water. As a result of the water intake, his body cells will

Accepted Answer

A)   shrink.
B)   swell.
C)   crenate.
D)   shrivel.
E)   not change.F) All of the above
G) A) and B)

Question 3

The ________ contains the genetic information of the cell.

Accepted Answer

A)   nucleolus
B)   ribosome
C)   nucleoplasm
D)   nucleus
E)   nucleosomeF) B) and E)
G) B) and D)

Question 4

The greater the concentration of a solution, the greater the

Accepted Answer

A)   tendency for water to diffuse from the solution.
B)   osmotic pressure of the solution.
C)   number of carrier molecules present.
D)   amount of solvent.
E)   rate of facilitated diffusion.F) A) and C)
G) A) and D)

Question 5

Channel proteins

Accepted Answer

A)   are binding sites for other molecules.
B)   utilize the G protein complex to function.
C)   are found only on endoplasmic reticulum.
D)   allow cells to recognize one another.
E)   provide a tunnel through which ions or molecules can enter or leave the cell.F) A) and B)
G) A) and C)

Question 6

Which transport process requires a carrier molecule but does not use cellular energy?

Accepted Answer

A)   Active transport
B)   Diffusion
C)   Endocytosis
D)   Facilitated diffusion
E)   OsmosisF) C) and D)
G) A) and E)

Question 7

In the nucleus, DNA is wrapped with proteins. This complex is called ________.

Accepted Answer

A)   chromatin
B)   cytoplasmic organelles
C)   DNA particles
D)   nucleoli
E)   a DNA wrapF) A) and D)
G) C) and D)

Question 8

White blood cells engulf foreign particles by means of ________.

Accepted Answer

A)   macrocytosis
B)   pinocytosis
C)   exocytosis
D)   phagocytosis
E)   prestocytosisF) C) and E)
G) B) and C)

Question 9

Which molecule determines the fluidity of the plasma membrane?

Accepted Answer

A)   Cholesterol
B)   Phospholipid
C)   ProteinD) A) and B)
E) A) and C)

Question 10

The process by which there is programmed cellular death is ________.

Accepted Answer

A)   apoptosis
B)   differentiation
C)   mitosis
D)   cleavageE) A) and D)
F) B) and C)

Question 11

Glycolipids would contain both lipids and ________.

Accepted Answer

A)   carbohydrates
B)   proteins
C)   electrolytes
D)   cholesterol
E)   amino acidsF) None of the above
G) B) and C)

Question 12

What is a large, active phagocytic cell?

Accepted Answer

A)   Columnar cells of upper respiratory tract
B)   Sperm cell
C)   Columnar cells of small intestines
D)   Red blood cells
E)   Macrophage (large, mobile white blood cell) F) C) and E)
G) B) and D)

Question 13

Cyanide stops the production of ATP. Which of the following processes would be affected?

Accepted Answer

A)   Simple diffusion
B)   Osmosis
C)   Active transport
D)   Facilitated diffusion
E)   FiltrationF) All of the above
G) B) and D)

Question 14

The nucleus of a cell functions to

Accepted Answer

A)   digest lipids.
B)   produce ATP.
C)   produce secretory vesicles.
D)   control and coordinate cellular activities.
E)   synthesize proteins.F) A) and C)
G) None of the above

Question 15

Pinocytosis

Accepted Answer

A)   is a form of exocytosis.
B)   involves ingestion of liquids rather than particles.
C)   does not require ATP.
D)   forms vesicles only when large amounts of material are being transported.
E)   does not require the formation of vesicles.F) None of the above
G) B) and D)

Question 16

The sodium-potassium pump located in the plasma membrane

Accepted Answer

A)   actively transports potassium into cells.
B)   osmotically moves sodium into cells.
C)   actively transports water out of cells.
D)   moves chlorine out of cells.
E)   actively transports sodium into cells.F) All of the above
G) A) and E)

Question 17

Which cell type would have many Golgi apparatuses?

Accepted Answer

A)   White blood cell, a phagocyte
B)   Mucus cell (secretes mucus) 
C)   Liver cells that detoxify hydrogen peroxide
D)   Cardiac muscle cells (require large amounts of ATP) 
E)   Fibroblast (makes protein fibers) F) B) and C)
G) A) and E)

Question 18

Solution A contains 5 grams of sugar per liter while solution B contains 2 grams of sugar per liter. The solutions are separated by a selectively permeable membrane. If the solvent in both solutions is water, predict in which direction most of the water molecules will move.

Accepted Answer

A)   Most of the water will move by simple diffusion from solution A to solution B.
B)   Most of the water will move by osmosis from solution B to solution A.
C)   Most of the water will move by active transport from solution B to solution A.
D)   Most of the water will move by filtration from solution A to solution B.
E)   There will be no movement of water.F) B) and E)
G) A) and B)

Question 19

A particular membrane transport process exhibits saturation, uses carrier molecules, but does NOT require ATP. The process is probably ________.

Accepted Answer

A)   active transport
B)   facilitated diffusion
C)   osmosis
D)   pinocytosis
E)   phagocytosisF) A) and E)
G) A) and B)

Question 20

Ribosomes are organelles responsible for

Accepted Answer

A)   protein synthesis.
B)   manufacturing lipids.
C)   cell movement and cell shape.
D)   packaging "cell products" for export.
E)   energy production.F) A) and E)
G) C) and D)

Exam 3: Cell Biology

In the nucleus, DNA is wrapped with proteins. This complex is called ________.

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Ribosomes are organelles responsible for

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A particular membrane transport process exhibits saturation, uses carrier molecules, but does NOT require ATP. The process is probably ________.

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Solution A contains 5 grams of sugar per liter while solution B contains 2 grams of sugar per liter. The solutions are separated by a selectively permeable membrane. If the solvent in both solutions is water, predict in which direction most of the water molecules will move.

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The sodium-potassium pump located in the plasma membrane

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The ________ contains the genetic information of the cell.

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The greater the concentration of a solution, the greater the

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A runner produced hypotonic sweat while running a marathon in hot weather. After the race, he drank large volumes of water. As a result of the water intake, his body cells will

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What is a large, active phagocytic cell?

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Channel proteins

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Pinocytosis

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The process by which there is programmed cellular death is ________.

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Which molecule determines the fluidity of the plasma membrane?

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Glycolipids would contain both lipids and ________.

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Cyanide stops the production of ATP. Which of the following processes would be affected?

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Which of the following structures is found in the nucleus?

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The nucleus of a cell functions to

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Which transport process requires a carrier molecule but does not use cellular energy?

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Which cell type would have many Golgi apparatuses?

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White blood cells engulf foreign particles by means of ________.

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