Question 1

A cell that can divide to give rise to any cell type is

Accepted Answer

A)  pluripotent.
B)  multipotent.
C)  totipotent.
D)  a differentiated cell.E) None of the above
F) B) and C)

Question 2

An isotonic solution

Accepted Answer

A)  has a greater concentration of solute particles than a cell.
B)  has more water entering than leaving a cell.
C)  has the same osmotic pressure as the cells in the solution.
D)  causes a cell to shrink.E) None of the above
F) A) and C)

Question 3

If a red blood cell is placed in a hypotonic solution,

Accepted Answer

A)  the cell will shrink.
B)  only permeable substances will leave;but,concentrations in the cell do not change.
C)  the cell will remain the same size and shape.
D)  the cell will swell and may eventually burst.E) None of the above
F) A) and B)

Question 4

Stages of the cell cycle unfold in the following order:

Accepted Answer

A)  differentiation,cytoplasmic division,mitosis,interphase
B)  interphase,differentiation,cytoplasmic division,mitosis
C)  interphase,mitosis,cytoplasmic division,differentiation
D)  mitosis,interphase,cytoplasmic division,differentiationE) B) and D)
F) C) and D)

Question 5

About how many cells comprise the body of an adult?

Accepted Answer

A)  50 to 100 million
B)  50 to 100 billion
C)  50 to 100 trillion
D)  50 to 100 quadrillionE) A) and D)
F) A) and C)

Question 6

Apoptosis is also known as

Accepted Answer

A)  cell specialization.
B)  programmed cell death.
C)  mitosis.
D)  cell differentiation.E) None of the above
F) A) and C)

Question 7

A protein that spans the cell membrane is termed a(n)

Accepted Answer

A)  receptor protein.
B)  integral protein.
C)  peripheral protein.
D)  anchoring protein.E) A) and B)
F) A) and C)

Question 8

The structures in the nucleus that serve as a "mitotic clock" are

Accepted Answer

A)  telomeres.
B)  kinases.
C)  ribosomes.
D)  hormones.E) A) and D)
F) A) and C)

Question 9

In phagocytosis

Accepted Answer

A)  a cell membrane engulfs solid particles.
B)  a particle enters a cell by moving down its concentration gradient.
C)  a cell membrane engulfs droplets.
D)  a carrier molecule moves a substance across a cell membrane using ATP.E) None of the above
F) B) and C)

Question 10

Chromatin consists of DNA and protein.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following does not influence the rate of diffusion?

Accepted Answer

A)  Distance
B)  The concentration of the substance
C)  The amount of energy available for transport molecules
D)  The molecular weight of the diffusing moleculesE) None of the above
F) B) and C)

Question 12

Solutions that have a higher osmotic pressure than body fluids are _________.

Accepted Answer

The answer of Solutions that have a higher osmotic pressure...

Question 13

Proteins are manufactured on mitochondria.

Accepted Answer

A) True 
 B)False

Question 14

The cell membrane

Accepted Answer

A)  maintains the integrity of the cell.
B)  controls the entry and exit of various substances.
C)  provides a barrier to water-soluble substances.
D)  has all of the above characteristics.E) A) and B)
F) B) and C)

Question 15

Peroxisomes and lysosomes are sacs that contain enzymes.

Accepted Answer

A) True 
 B)False

Question 16

A cell undergoing ________ loses its shape,forms blebs,and falls apart.

Accepted Answer

The answer of A cell undergoing ________ loses its shape,forms...

Question 17

A telomere is a type of hormone that controls the cell cycle.

Accepted Answer

A) True 
 B)False

Question 18

Apoptosis begins with a cell's receiving a signal to die.

Accepted Answer

A) True 
 B)False

Question 19

A hypertonic solution

Accepted Answer

A)  has a greater concentration (number) of solute particles than do the cells in the solution.
B)  would cause cells to swell when placed in the solution.
C)  has a lower osmotic pressure than do the cells in the solution.
D)  causes water to rush inside cells.E) All of the above
F) A) and D)

Question 20

Mitosis occurs in _______ cells.

Accepted Answer

The answer of Mitosis occurs in _______ cells....

Exam 3: Cells

About how many cells comprise the body of an adult?

Correct AnswerverifiedShow Answer

In phagocytosis

Correct AnswerverifiedShow Answer

Which of the following does not influence the rate of diffusion?

Correct AnswerverifiedShow Answer

The structures in the nucleus that serve as a "mitotic clock" are

Correct AnswerverifiedShow Answer

Apoptosis is also known as

Correct AnswerverifiedShow Answer

A cell that can divide to give rise to any cell type is

Correct AnswerverifiedShow Answer

The cell membrane

Correct AnswerverifiedShow Answer

Mitosis occurs in _______ cells.

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A cell undergoing ________ loses its shape,forms blebs,and falls apart.

Correct AnswerverifiedShow Answer

A protein that spans the cell membrane is termed a(n)

Correct AnswerverifiedShow Answer

Apoptosis begins with a cell's receiving a signal to die.

Correct AnswerverifiedShow Answer

Stages of the cell cycle unfold in the following order:

Correct AnswerverifiedShow Answer

Peroxisomes and lysosomes are sacs that contain enzymes.

Correct AnswerverifiedShow Answer

If a red blood cell is placed in a hypotonic solution,

Correct AnswerverifiedShow Answer

Chromatin consists of DNA and protein.

Correct AnswerverifiedShow Answer

An isotonic solution

Correct AnswerverifiedShow Answer

Proteins are manufactured on mitochondria.

Correct AnswerverifiedShow Answer

A telomere is a type of hormone that controls the cell cycle.

Correct AnswerverifiedShow Answer

A hypertonic solution

Correct AnswerverifiedShow Answer

Solutions that have a higher osmotic pressure than body fluids are _________.

Correct AnswerverifiedShow Answer

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