Question 1

The length of DNA in each chromosome is longer than the diameter of the animal cell.

Accepted Answer

A) True 
 B)False

Question 2

The only function of apoptosis is to destroy healthy cells when they become damaged or infected.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is not involved in the regulation of the cell cycle?

Accepted Answer

A)   cyclins
B)   internal and external signals
C)   growth factors
D)   check points
E)   caspasesF) B) and E)
G) A) and B)

Question 4

It is the secondary oocyte and not the egg that the sperm fertilizes to form a diploid organism.

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

If a crayfish has 200 total chromosomes in its body cells (not ovaries or testes)

Accepted Answer

A)   any 100 could have been from its father and any 100 from its mother.
B)   they would consist of 100 pairs with one of each pair from the father, one of each pair from the mother.
C)   as many as none-to-200 came from the father and conversely, from 200-to-none would have come from the mother.
D)   50 pairs or 100 total would come from the father and 50 pairs from the mother.
E)   all 200 come from the mother in a female crayfish, all 200 from the father in a male crayfish.F) A) and C)
G) B) and E)

Question 7

If the total number of chromosomes in a cell is six,then after mitosis there will be

Accepted Answer

A)   six chromosomes in each daughter cell.
B)   three chromosomes in each daughter cell.
C)   12 chromosomes in each daughter cell.
D)   two chromosomes in each daughter cell.
E)   three chromosomes in one daughter cell and six chromosomes in the other cell.F) A) and C)
G) None of the above

Question 8

What is the difference between the chromosomes in a secondary spermatocyte and those in a spermatid?

Accepted Answer

A)   the chromosomes in secondary spermatocytes consist of two chromatids, the ones in the spermatid consist of only one chromatid
B)   the chromosomes in a secondary spermatocyte consist of homologous chromosomes, the ones in the spermatid consist of two chromatids
C)   the chromosomes in the secondary spermatocyte consist of one chromatid, the ones in the spermatid consist of two chromatids
D)   the secondary spermatocyte is diploid, the spermatid is haploid
E)   the secondary spermatocyte is haploid, the spermatid is diploidF) C) and D)
G) B) and D)

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 IIF) B) and C)
G) A) and B)

Question 10

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.F) A) and B)
G) None of the above

Question 11

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.F) B) and E)
G) D) and E)

Question 12

Which is NOT a correct association?

Accepted Answer

A)   cytokinesis-division of the cytoplasm
B)   centromere-point where sister chromatids remain attached
C)   haploid-one of each chromosome
D)   sister chromatids-two identical chromosome strands still attached at the centromere
E)   mitosis-when a cell duplicates and then divides twice to reduce chromosome number by halfF) A) and B)
G) C) and D)

Question 13

Indicate the portions of the cell cycle that contain checkpoints and what the checkpoint controls.

Accepted Answer

G1 contains the 1st checkpoint.This one ...

Question 14

Describe the checkpoints for the cell cycle.

Accepted Answer

The first checkpoint during G1 allows th...

Question 15

You are examining a cell under the microscope and see what appear to be four sister chromatids bound together and remnants of the nuclear envelope.What stage of meiosis are you looking at?

Accepted Answer

A)   prophase I
B)   prophase II
C)   metaphase I
D)   metaphase II
E)   telophase IF) C) and D)
G) B) and E)

Question 16

Technically,mitosis refers to nuclear division and NOT cytoplasmic division.

Accepted Answer

A) True 
 B)False

Question 17

In some plants,the haploid stage is the dominant stage while in humans,the diploid stage is the dominant stage.

Accepted Answer

A) True 
 B)False

Question 18

In which stage of mitosis do the chromosomes line up in the center of the cell?

Accepted Answer

A)   interphase.
B)   prophase.
C)   metaphase.
D)   anaphase.
E)   telophase.F) B) and C)
G) C) and E)

Question 19

The formation of sperm gametes is termed

Accepted Answer

A)   oogenesis.
B)   homologous formation.
C)   spermatogenesis.
D)   meiosis.
E)   mitosis.F) B) and E)
G) B) and C)

Question 20

Which of the below is the correct sequence for the cell cycle?

Accepted Answer

A)   S-M-G1-G2
B)   S-M-G2-G1
C)   S-G1-G1-M
D)   S-G2-M-G1
E)   S-G1-M-G2F) A) and B)
G) A) and C)

Exam 5: Cell Division

Which of the below is the correct sequence for the cell cycle?

Correct AnswerverifiedShow Answer

Which is NOT a correct association?

Correct AnswerverifiedShow Answer

You are examining a cell under the microscope and see what appear to be four sister chromatids bound together and remnants of the nuclear envelope.What stage of meiosis are you looking at?

Correct AnswerverifiedShow Answer

The only function of apoptosis is to destroy healthy cells when they become damaged or infected.

Correct AnswerverifiedShow Answer

The formation of sperm gametes is termed

Correct AnswerverifiedShow Answer

In some plants,the haploid stage is the dominant stage while in humans,the diploid stage is the dominant stage.

Correct AnswerverifiedShow Answer

How does cell division differ between animal and plant cells?

Correct AnswerverifiedShow Answer

The length of DNA in each chromosome is longer than the diameter of the animal cell.

Correct AnswerverifiedShow Answer

What is the difference between the chromosomes in a secondary spermatocyte and those in a spermatid?

Correct AnswerverifiedShow Answer

Technically,mitosis refers to nuclear division and NOT cytoplasmic division.

Correct AnswerverifiedShow Answer

Indicate the portions of the cell cycle that contain checkpoints and what the checkpoint controls.

Correct AnswerverifiedG1 contains the 1st checkpoint.This one ...View AnswerShow Answer

During interphase,

Correct AnswerverifiedShow Answer

Describe the checkpoints for the cell cycle.

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

In which stage of mitosis do the chromosomes line up in the center of the cell?

Correct AnswerverifiedShow Answer

Synapsis occurs during what stage of meiosis?

Correct AnswerverifiedShow Answer

If a crayfish has 200 total chromosomes in its body cells (not ovaries or testes)

Correct AnswerverifiedShow Answer

It is the secondary oocyte and not the egg that the sperm fertilizes to form a diploid organism.

Correct AnswerverifiedShow Answer

Which of the following is not involved in the regulation of the cell cycle?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

If the total number of chromosomes in a cell is six,then after mitosis there will be

Correct AnswerverifiedShow Answer

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G1 contains the 1st checkpoint.This one ...
View Answer

Correct Answer
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The first checkpoint during G1 allows th...
View Answer

Correct Answer
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