Question 1

Skeletal muscle cells need large numbers of _______ to make the many proteins they contain.

Accepted Answer

A)   liposomes
B)   lysosomes
C)   centrosomes
D)   peroxisomes
E)   ribosomesF) A) and D)
G) B) and D)

Question 2

The presence of a cellular clock, presence of "death genes" and damage to DNA or mitochondria are all theories of _____.

Accepted Answer

A)   cleavage
B)   death
C)   aging
D)   differentiationE) B) and C)
F) A) and D)

Question 3

The nucleus of a cell functions to

Accepted Answer

A)   control and coordinate cellular activities.
B)   produce ATP.
C)   digest lipids.
D)   synthesize proteins.
E)   produce secretory vesicles.F) A) and D)
G) A) and C)

Question 4

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

Question 5

-What structure does "D" represent on the diagram of the plasma membrane?

Accepted Answer

A)   integral protein
B)   phospholipid bilayer
C)   internal membrane surface
D)   membrane channel protein
E)   peripheral proteinF) A) and E)
G) All of the above

Question 6

If a 0.9% NaCl (saline)  solution is isotonic to a cell, then a solution of 3.5% NaCl would be

Accepted Answer

A)   hypertonic to the cell.
B)   isotonic to the cell.
C)   hypotonic to the cell.
D)   catatonic to the cell.
E)   All of these choices are correct.F) A) and C)
G) A) and E)

Question 7

The organelle that protects cells from the damaging effects of medications and toxins is the

Accepted Answer

A)   microtubule.
B)   mitochondria.
C)   ribosome.
D)   secretory vesicle.
E)   smooth endoplasmic reticulum.F) B) and D)
G) A) and C)

Question 8

Which of the following cell organelles does not contain microtubules?

Accepted Answer

A)   cilia
B)   flagella
C)   spindle fibers
D)   centrioles
E)   All of these choices contain microtubules.F) A) and D)
G) A) and B)

Question 9

The structural and functional unit of all living organisms is the

Accepted Answer

A)   cell.
B)   plasma membrane.
C)   organelle.
D)   ribosome.
E)   organ.F) B) and E)
G) A) and D)

Question 10

Which of the following sequences is correct?

Accepted Answer

A)   translation →\rightarrow→  transcription  →\rightarrow→  protein synthesis
B)   transcription  →\rightarrow→  protein synthesis  →\rightarrow→  translation
C)   translation  →\rightarrow→ protein synthesis  →\rightarrow→  transcription
D)   transcription  →\rightarrow→  translation →\rightarrow→  protein synthesis
E)   protein synthesis  →\rightarrow→  translation  →\rightarrow→  transcription F) C) and D)
G) A) and B)

Question 11

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) B) and C)
G) None of the above

Question 12

When a sperm cell comes into contact with an egg cell, there is a change in the electrical charge across the plasma membrane and various channel proteins close. These channels would be called

Accepted Answer

A)   chemical-gated channels.
B)   ligand-gated channels.
C)   open-gated channels.
D)   nongated ion channels.
E)   voltage-gated channels.F) A) and E)
G) C) and E)

Question 13

A cell that produces many proteins for secretion would have large numbers of

Accepted Answer

A)   mitochondria and cilia.
B)   rough ER and Golgi apparatus.
C)   ribosomes and centrioles.
D)   Golgi apparatus and microvilli.
E)   lysosomes and Golgi apparatus.F) B) and C)
G) B) and E)

Question 14

In which part of the cell cycle do chromosomes align along the equator?

Accepted Answer

A)   prophase
B)   metaphase
C)   anaphase
D)   interphase
E)   telophaseF) All of the above
G) A) and E)

Question 15

The _____________ contains the genetic information of the cell.

Accepted Answer

A)   nucleolus
B)   nucleoplasm
C)   nucleus
D)   nucleosome
E)   ribosomeF) A) and B)
G) A) and C)

Question 16

The movement of a substance from an area of high concentration to an area of less concentration is called

Accepted Answer

A)   endocytosis.
B)   osmosis.
C)   diffusion.
D)   facilitated diffusion.
E)   active transport.F) None of the above
G) B) and E)

Question 17

What term dealing with cancer means "not inclined to spread or become worse'?

Accepted Answer

A)   carcinoma
B)   sarcoma
C)   benign
D)   metastasis
E)   malignantF) B) and E)
G) B) and D)

Question 18

Communication between cells occurs when chemical messengers from one cell bind to _____ on another cell.

Accepted Answer

A)   marker molecules
B)   second messengers
C)   channel proteins
D)   receptor proteins
E)   integrinsF) D) and E)
G) A) and D)

Question 19

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

Accepted Answer

A)   active transport
B)   filtration
C)   facilitated diffusion
D)   osmosis
E)   simple diffusionF) B) and D)
G) C) and D)

Question 20

The sacs containing hydrolytic enzymes are called

Accepted Answer

A)   lysosomes.
B)   mitochondria.
C)   centrioles.
D)   ribosomes.
E)   nucleus.F) A) and E)
G) A) and D)

Exam 3: Cell Biology

The movement of a substance from an area of high concentration to an area of less concentration is called

Correct AnswerverifiedShow Answer

Communication between cells occurs when chemical messengers from one cell bind to _____ on another cell.

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Which of the following sequences is correct?

Correct AnswerverifiedShow Answer

The sacs containing hydrolytic enzymes are called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The presence of a cellular clock, presence of "death genes" and damage to DNA or mitochondria are all theories of _____.

Correct AnswerverifiedShow Answer

What term dealing with cancer means "not inclined to spread or become worse'?

Correct AnswerverifiedShow Answer

In which part of the cell cycle do chromosomes align along the equator?

Correct AnswerverifiedShow Answer

When a sperm cell comes into contact with an egg cell, there is a change in the electrical charge across the plasma membrane and various channel proteins close. These channels would be called

Correct AnswerverifiedShow Answer

If a 0.9% NaCl (saline) solution is isotonic to a cell, then a solution of 3.5% NaCl would be

Correct AnswerverifiedShow Answer

Skeletal muscle cells need large numbers of _______ to make the many proteins they contain.

Correct AnswerverifiedShow Answer

A cell that produces many proteins for secretion would have large numbers of

Correct AnswerverifiedShow Answer

The _____________ contains the genetic information of the cell.

Correct AnswerverifiedShow Answer

The structural and functional unit of all living organisms is the

Correct AnswerverifiedShow Answer

-What structure does "D" represent on the diagram of the plasma membrane?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The nucleus of a cell functions to

Correct AnswerverifiedShow Answer

Which of the following cell organelles does not contain microtubules?

Correct AnswerverifiedShow Answer

The organelle that protects cells from the damaging effects of medications and toxins is the

Correct AnswerverifiedShow Answer

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