Question 1

The structures labeled "d" in the following figure are called ________.

Accepted Answer

A)   centromeres
B)   centrioles
C)   sister chromatids
D)   spindles
E)   non-sister chromatidsF) C) and E)
G) A) and B)

Question 2

The drug chloral hydrate prevents elongation of microtubules by preventing the addition of new subunits to the growing end. During which stage of mitosis would chloral hydrate be most harmful?

Accepted Answer

A)   prophase
B)   metaphase
C)   anaphase
D)   telophase
E)   interphaseF) B) and E)
G) C) and D)

Question 3

___ are a type of internal signal molecule used in controlling the cell cycle.

Accepted Answer

A)   Kinases
B)   Histones
C)   Centromeres
D)   Actins
E)   NucleosomesF) D) and E)
G) A) and D)

Question 4

DNA and histones form beadlike globules known as __________.

Accepted Answer

A)   nucleotides
B)   the chromatin network
C)   centrosomes
D)   nucleosomes
E)   mesosomesF) B) and D)
G) A) and B)

Question 5

All of the following occur during mitosis EXCEPT

Accepted Answer

A)   the coiling of chromosomes.
B)   the division of centromeres.
C)   the formation of a spindle.
D)   the synthesis of DNA.
E)   the degradation of the nuclear envelope.F) A) and D)
G) A) and E)

Question 6

Cyclins function by ________.

Accepted Answer

A)   maintaining a constant level
B)   preventing the functioning of kinases
C)   combining with kinases
D)   causing apoptosis
E)   preventing apoptosisF) A) and B)
G) C) and E)

Question 7

Plant cells and animal cells differ in cytokinesis because

Accepted Answer

A)   plant cells need to build a cell wall while animal cells do not.
B)   plant cells need to build a cell wall while animal cells built the extra cellular matrix.
C)   animal cells need to build a cell membrane while plant cells do not.
D)   animal cells are living while plant cells are not.
E)   plant cells divide by mitosis while animal cells divide by meiosis.F) B) and D)
G) All of the above

Question 8

How do the daughter cells at the end of mitosis and cytokinesis compare to their parent cell when it was in G1 of the cell cycle?

Accepted Answer

A)   The daughter cells have half of the amount of cytoplasm and half the amount of DNA.
B)   The daughter cells have half the number of chromosomes and half the amount of DNA.
C)   The daughter cells have the same number of chromosomes and half the amount of DNA.
D)   The daughter cells have the same number of chromosomes and the same amount of DNA.
E)   The daughter cells have the same number of chromosomes and twice the amount of DNA.F) None of the above
G) C) and D)

Question 9

The term metastasis refers to the fact that cancer cells tend to ________.

Accepted Answer

A)   destroy
B)   divide
C)   reproduce
D)   shrink
E)   travelF) C) and D)
G) B) and D)

Question 10

If cells in the process of dividing are subjected to colchicines, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?

Accepted Answer

A)   telophase
B)   anaphase
C)   metaphase
D)   interphase
E)   prophaseF) B) and C)
G) All of the above

Question 11

The figure below shows a cell in the mitotic stage of ________.

Accepted Answer

A)   anaphase
B)   interphase
C)   metaphase
D)   prophase
E)   telophaseF) B) and D)
G) C) and E)

Question 12

Some of the drugs used in chemotherapy work by ________.

Accepted Answer

A)   increasing telomeres
B)   preventing spindle formation
C)   producing kinases
D)   inhibiting cytokinesis
E)   causing cells to divide quicklyF) A) and B)
G) C) and E)

Question 13

Refer to the figure below. Differentiated cells, such as nerve cells, would be in which of the following stages of the cell cycle?

Accepted Answer

A)   a
B)   b
C)   c
D)   d
E)   eF) B) and C)
G) C) and D)

Question 14

The structure labeled "c" in the following figure is called the ________.

Accepted Answer

A)   centromere
B)   centriole
C)   sister chromatid
D)   spindle
E)   non-sister chromatidF) A) and D)
G) All of the above

Question 15

The figure below shows a cell in the mitotic stage of ________.

Accepted Answer

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

Question 16

Apoptosis occurs when

Accepted Answer

A)   a cell lyses due to an imbalance in water uptake.
B)   white blood cells attack damaged cells and destroy them.
C)   the controls over cell division are lost and a tumor forms as the mass of cells grow.
D)   a cell with damaged DNA stops working and dies.
E)   a damaged cell is programmed to fragment and then is phagocytized.F) C) and D)
G) A) and C)

Question 17

Proteins that are involved in the regulation of the cell cycle, and that show fluctuation in concentration during the cell cycle, are called ________.

Accepted Answer

A)   centromeres
B)   kinetochores
C)   centrioles
D)   proton pumps
E)   cyclinsF) B) and E)
G) A) and C)

Question 18

The spindle serves two rolls in mitotic cell division. These are

Accepted Answer

A)   to separate the sister chromatids and to elongate the cell.
B)   to separate the nonsister chromatids and then the homologous chromosomes.
C)   to separate the sister chromatids and then the nonsister chromatids.
D)   to separate the sister chromatids and then form the cleavage furrow.
E)   to separate the homologous chromosomes and then form the cleavage furrow.F) C) and D)
G) A) and E)

Question 19

What would occur in a cell if the production of cyclins halted during the cell cycle?

Accepted Answer

A)   DNA would not be replicated in the S phase.
B)   Organelles would not be duplicated in G1.
C)   The cell would not complete cytokinesis.
D)   The cell would enter the G0 phase.
E)   The cell would remain in the G2 phase and would not enter into mitosis.F) All of the above
G) A) and C)

Exam 8: Cellular Reproduction

How do the daughter cells at the end of mitosis and cytokinesis compare to their parent cell when it was in G₁ of the cell cycle?

Correct Answer
verified

The figure below shows a cell in the mitotic stage of ________.

Correct Answer
verified

The figure below shows a cell in the mitotic stage of ________.

Correct Answer
verified

Plant cells and animal cells differ in cytokinesis because

Correct Answer
verified

The structure labeled "c" in the following figure is called the ________.

Correct Answer
verified

Refer to the figure below. Differentiated cells, such as nerve cells, would be in which of the following stages of the cell cycle?

Correct Answer
verified

What would occur in a cell if the production of cyclins halted during the cell cycle?

Correct Answer
verified

Proteins that are involved in the regulation of the cell cycle, and that show fluctuation in concentration during the cell cycle, are called ________.

Correct Answer
verified

The drug chloral hydrate prevents elongation of microtubules by preventing the addition of new subunits to the growing end. During which stage of mitosis would chloral hydrate be most harmful?

Correct Answer
verified

The structures labeled "d" in the following figure are called ________.

Correct Answer
verified

Some of the drugs used in chemotherapy work by ________.

Correct Answer
verified

DNA and histones form beadlike globules known as __________.

Correct Answer
verified

___ are a type of internal signal molecule used in controlling the cell cycle.

Correct Answer
verified

All of the following occur during mitosis EXCEPT

Correct Answer
verified

The term metastasis refers to the fact that cancer cells tend to ________.

Correct Answer
verified

Cyclins function by ________.

Correct Answer
verified

If cells in the process of dividing are subjected to colchicines, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?

Correct Answer
verified

The spindle serves two rolls in mitotic cell division. These are

Correct Answer
verified

Apoptosis occurs when

Correct Answer
verified

Exam 8: Cellular Reproduction

How do the daughter cells at the end of mitosis and cytokinesis compare to their parent cell when it was in G1 of the cell cycle?

Correct AnswerverifiedShow Answer

The figure below shows a cell in the mitotic stage of ________.

Correct AnswerverifiedShow Answer

The figure below shows a cell in the mitotic stage of ________.

Correct AnswerverifiedShow Answer

Plant cells and animal cells differ in cytokinesis because

Correct AnswerverifiedShow Answer

The structure labeled "c" in the following figure is called the ________.

Correct AnswerverifiedShow Answer

Refer to the figure below. Differentiated cells, such as nerve cells, would be in which of the following stages of the cell cycle?

Correct AnswerverifiedShow Answer

What would occur in a cell if the production of cyclins halted during the cell cycle?

Correct AnswerverifiedShow Answer

Proteins that are involved in the regulation of the cell cycle, and that show fluctuation in concentration during the cell cycle, are called ________.

Correct AnswerverifiedShow Answer

The drug chloral hydrate prevents elongation of microtubules by preventing the addition of new subunits to the growing end. During which stage of mitosis would chloral hydrate be most harmful?

Correct AnswerverifiedShow Answer

The structures labeled "d" in the following figure are called ________.

Correct AnswerverifiedShow Answer

Some of the drugs used in chemotherapy work by ________.

Correct AnswerverifiedShow Answer

DNA and histones form beadlike globules known as __________.

Correct AnswerverifiedShow Answer

___ are a type of internal signal molecule used in controlling the cell cycle.

Correct AnswerverifiedShow Answer

All of the following occur during mitosis EXCEPT

Correct AnswerverifiedShow Answer

The term metastasis refers to the fact that cancer cells tend to ________.

Correct AnswerverifiedShow Answer

Cyclins function by ________.

Correct AnswerverifiedShow Answer

If cells in the process of dividing are subjected to colchicines, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?

Correct AnswerverifiedShow Answer

The spindle serves two rolls in mitotic cell division. These are

Correct AnswerverifiedShow Answer

Apoptosis occurs when

Correct AnswerverifiedShow Answer

How do the daughter cells at the end of mitosis and cytokinesis compare to their parent cell when it was in G₁ of the cell cycle?

Correct Answer
verified

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