Question 1

During which stage of the cell cycle do the chromosomes duplicate?

Accepted Answer

A)  prophase
B)  anaphase
C)  interphase
D)  telophase
E)  mitosis C

Question 2

How does cell division differ between animal and plant cells?

Accepted Answer

A)  Animal cells lack centrioles and no spindle forms during cell division.
B)  Plant cells form a cleavage furrow or indentation of membrane between new daughter cells.
C)  Plant cells resort to binary fission.
D)  The cell plate is the final partitioning of plant cells.
E)  There is no difference.Plant cells and animal cells undergo the same cellular processes during mitosis.

Question 3

Describe the checkpoints for the cell cycle.

Accepted Answer

The first checkpoint during G₁ allows the...

Question 4

Homologous chromosomes are genetically identical to each other.

Accepted Answer

A) True 
 B)False

Question 5

A basic difference between spermatogenesis and oogenesis is that in oogenesis

Accepted Answer

A)  four functional eggs are produced.
B)  mitosis instead of meiosis occurs.
C)  both sperm and egg are produced.
D)  one functional egg is produced.
E)  the chromosome number is not divided in half. D

Question 6

During what stage of meiosis do sister chromatids separate from each other?

Accepted Answer

A)  prophase
B)  anaphase I
C)  anaphase II
D)  metaphase I
E)  metaphase II

Question 7

What lines up at the metaphase plate during both metaphase I of meiosis and metaphase of mitosis?

Accepted Answer

A)  each chromosome is composed of two sister chromatids at both
B)  homologous chromosomes at both
C)  each chromosome composed of two sister chromatids for meiosis,each chromosome is composed of one sister chromatid for mitosis
D)  homologous chromosomes for meiosis,each chromosome is composed of two sister chromatids for mitosis
E)  each chromosome is composed of two sister chromatids for meiosis,homologous chromosomes for mitosis D

Question 8

Which of the following is not true of the chromosomes in a cell undergoing mitosis?

Accepted Answer

A)  They are highly compacted.
B)  They are available for RNA synthesis.
C)  They have histones bound to them.
D)  They are found within the cell nucleus.
E)  They are present in the diploid number.

Question 9

Synapsis occurs during what stage of meiosis?

Accepted Answer

A)  anaphase I
B)  telophase II
C)  metaphase II
D)  prophase I
E)  anaphase II

Question 10

The overall cell cycle is dramatically different for animals than for plant cells.

Accepted Answer

A) True 
 B)False

Question 11

The cell cycle consists of

Accepted Answer

A)  mitosis and interphase.
B)  meiosis and interphase.
C)  prophase and interphase.
D)  metaphase and interphase.
E)  changes from a haploid to a diploid state.

Question 12

What lines up at the metaphase plate during metaphase II of meiosis and metaphase of mitosis?

Accepted Answer

A)  each chromosome composed of two sister chromatids at both
B)  homologous chromosomes at both
C)  each chromosome composed of two sister chromatids for meiosis,each chromosome composed of one sister chromatid for mitosis
D)  homologous chromosomes for meiosis,each chromosome composed of two sister chromatids for mitosis
E)  each chromosome composed of two sister chromatids for meiosis,homologous chromosomes for mitosis

Question 13

Which of the following proteins would you expect to be a coded for by a proto-oncogene?

Accepted Answer

A)  a growth factor receptor
B)  a DNA repair protein
C)  a protein involved with the G1 checkpoint
D)  a caspase
E)  a DNA replication protein

Question 14

Which is NOT a correct association?

Accepted Answer

A)  S stage-DNA synthesis
B)  M stage-mitosis and cytokinesis
C)  interphase-shortest stage of the cell cycle
D)  G1 stage-cell grows in size and cell organelles increase in number
E)  G2 stage-metabolic preparation for mitosis

Question 15

During what stage of mitosis does the nuclear envelope disappear and the chromosomes become distinct?

Accepted Answer

A)  interphase
B)  prophase
C)  metaphase
D)  anaphase
E)  telophase

Question 16

We presume that meiosis evolved later than mitosis.What process would not have to evolve in cells undergoing meiosis in order to make this transition?

Accepted Answer

A)  Homologous chromosomes would have to pair up.
B)  An additional division would have to occur,but without a second DNA replication.
C)  Sister chromosomes do not separate at first anaphase; centromeres hold until second division.
D)  a method of lining up single chromosomes along the metaphase plate
E)  fertilization processes to restore the diploid number in an organism

Question 17

Upon examination,a cell is found to have twice as much DNA as the normal diploid state but is no longer in the process of replicating the DNA.All of the DNA is found within a single nucleus.Which stage of the cell cycle is this cell in?

Accepted Answer

A)  M phase
B)  S phase
C)  G1 phase
D)  G2 phase
E)  cytokinesis

Question 18

Meiosis results in a change in chromosome number indicated by

Accepted Answer

A)  2n to 2n.
B)  2n to n.
C)  n to 2n.
D)  n to n.
E)  2n to 2n in diploid organisms,n to n in haploid.

Question 19

During mitosis,separation of the sister chromatids ensures that each daughter cell will receive two copies of each type of chromosome.

Accepted Answer

A) True 
 B)False

Question 20

During interphase,

Accepted Answer

A)  the cell begins to die.
B)  the cell rounds up and detaches from its neighbors.
C)  two nuclei split.
D)  the cell is at rest.
E)  hereditary material duplicates itself.

Exam 5: Cell Division

During which stage of the cell cycle do the chromosomes duplicate?

Correct AnswerverifiedC

How does cell division differ between animal and plant cells?

Correct AnswerverifiedShow Answer

Describe the checkpoints for the cell cycle.

Correct AnswerverifiedThe first checkpoint during G1 allows the...View AnswerShow Answer

Homologous chromosomes are genetically identical to each other.

Correct AnswerverifiedShow Answer

A basic difference between spermatogenesis and oogenesis is that in oogenesis

Correct AnswerverifiedD

During what stage of meiosis do sister chromatids separate from each other?

Correct AnswerverifiedShow Answer

What lines up at the metaphase plate during both metaphase I of meiosis and metaphase of mitosis?

Correct AnswerverifiedD

Which of the following is not true of the chromosomes in a cell undergoing mitosis?

Correct AnswerverifiedShow Answer

Synapsis occurs during what stage of meiosis?

Correct AnswerverifiedShow Answer

The overall cell cycle is dramatically different for animals than for plant cells.

Correct AnswerverifiedShow Answer

The cell cycle consists of

Correct AnswerverifiedShow Answer

What lines up at the metaphase plate during metaphase II of meiosis and metaphase of mitosis?

Correct AnswerverifiedShow Answer

Which of the following proteins would you expect to be a coded for by a proto-oncogene?

Correct AnswerverifiedShow Answer

Which is NOT a correct association?

Correct AnswerverifiedShow Answer

During what stage of mitosis does the nuclear envelope disappear and the chromosomes become distinct?

Correct AnswerverifiedShow Answer

We presume that meiosis evolved later than mitosis.What process would not have to evolve in cells undergoing meiosis in order to make this transition?

Correct AnswerverifiedShow Answer

Upon examination,a cell is found to have twice as much DNA as the normal diploid state but is no longer in the process of replicating the DNA.All of the DNA is found within a single nucleus.Which stage of the cell cycle is this cell in?

Correct AnswerverifiedShow Answer

Meiosis results in a change in chromosome number indicated by

Correct AnswerverifiedShow Answer

During mitosis,separation of the sister chromatids ensures that each daughter cell will receive two copies of each type of chromosome.

Correct AnswerverifiedShow Answer

During interphase,

Correct AnswerverifiedShow Answer

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C

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The first checkpoint during G₁ allows the...
View Answer

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D

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D

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