Question 1

During what step in meiosis do the daughter cells become haploid?

Accepted Answer

A)  metaphase II
B)  anaphase I
C)  anaphase II
D)  prophase IIE) A) and B)
F) C) and D)

Question 2

Which of the following has the MOST similarity in nucleotide sequence?

Accepted Answer

A)  homologous chromosomes
B)  nonhomologous chromosomes
C)  sister chromatids
D)  complementary strands of DNA
E)  maternal and paternal copies of the same chromosomeF) All of the above
G) B) and D)

Question 3

The division of genetic material in a eukaryotic cell is called:

Accepted Answer

A)  genetic fission.
B)  mitosis.
C)  cytokinesis.
D)  replication.E) C) and D)
F) A) and D)

Question 4

Given that the correct number of chromosomes is vital to the proper functioning of a cell, which of the statements below is CORRECT if a cell passes from G1 to S phase in the cell cycle?

Accepted Answer

A)  The cell copies its chromosomes and enters G2 or it returns to G1.
B)  The cell completes the process of cell division or it dies.
C)  The cell divides or it returns to G1 and enters G0.D) None of the above
E) A) and B)

Question 5

A cell in prophase I of meiosis has _____ as many chromosomes as each of the daughter cells following cytokinesis of meiosis II.

Accepted Answer

A)  twice
B)  half
C)  one quarter
D)  four timesE) B) and C)
F) B) and D)

Question 6

What cellular process(es)  is/are responsible for the increase in protein content associated with the gap phases of the cell cycle?

Accepted Answer

A)  gene expression
B)  glycolysis
C)  protein synthesis
D)  both gene expression and protein synthesisE) B) and C)
F) B) and D)

Question 7

At the start of mitosis, how many sister chromatids are present in a human cell?

Accepted Answer

A)  23
B)  92
C)  46
D)  12E) A) and C)
F) A) and B)

Question 8

In fungi and plants, mitotic cell division of haploid cells follows meiosis.

Accepted Answer

A) True 
 B)False

Question 9

The first oncogene to be discovered:

Accepted Answer

A)  is a gene that contributes to uncontrolled cell division or cancer.
B)  was discovered in a Rous sarcoma virus that causes cancer.
C)  is a protein kinase that acts to promote cell division.
D)  has a less-active normal counterpart called a proto-oncogene.
E)  All of these choices are correct.F) B) and E)
G) A) and D)

Question 10

A cell that is not actively dividing is in what phase of the cell cycle?

Accepted Answer

A)  G1
B)  G0
C)  G1'
D)  G2E) None of the above
F) A) and B)

Question 11

During meiosis I:

Accepted Answer

A)  bivalents are formed during prophase I and are taken apart during anaphase I.
B)  chromosomes undergo reductional division.
C)  sister chromatids are not separated.
D)  non-sister chromatids exchange maternal and paternal DNA.
E)  All of these choices are correct.F) A) and B)
G) A) and C)

Question 12

What would happen if a defect in S phase occurred during cell division?

Accepted Answer

A)  There could be too few chromosomes.
B)  There could be too many chromosomes.
C)  There could be a lack of cytoplasm.
D)  All organelles may not be duplicated.E) None of the above
F) All of the above

Question 13

p53 is an example of a(n) :

Accepted Answer

A)  oncogene.
B)  proto-oncogene.
C)  tumor suppressor.
D)  cyclin-dependent kinase.E) A) and B)
F) C) and D)

Question 14

Which of the following is circled in this electron micrograph?  Photo credit: Biophoto Associates/Science Source

Accepted Answer

A)  one double-stranded DNA molecule
B)  one single strand of a DNA molecule
C)  two double-stranded DNA moleculesD) All of the above
E) B) and C)

Question 15

Which of the following is NOT true about gametes?

Accepted Answer

A)  They are formed by meiotic cell division.
B)  They have half as many chromosomes as a somatic cell of the same individual.
C)  They are called eggs and sperm in animals.
D)  They fuse to form a new organism during fertilization.
E)  They are genetically identical to other gametes formed during meiosis.F) A) and D)
G) B) and C)

Question 16

In which phase of mitosis does the nuclear envelope reform?

Accepted Answer

A)  prophase
B)  metaphase
C)  anaphase
D)  telophaseE) A) and D)
F) A) and C)

Question 17

Paramecium is a single-cell eukaryotic organism that can reproduce by mitotic cell division. Prior to the M phase of the cell cycle, which of the following must occur?

Accepted Answer

A)  The cell must replicate its chromosomes.
B)  The cell must first be fertilized.
C)  The nucleus must divide.
D)  Sister chromatids must be separated.
E)  The nuclear envelope must disintegrate.F) C) and D)
G) All of the above

Question 18

Which of the following is NOT a step in the process of binary fission?

Accepted Answer

A)  replication of DNA
B)  formation of a new cell wall
C)  rearrangement of the microtubule cytoskeleton
D)  elongation of the cellE) B) and D)
F) C) and D)

Question 19

Muscle cells in the mammalian heart are multinucleate, meaning that multiple nuclei are present in the cytoplasm of a large cell. Predict what is different about the cell cycle in a muscle cell.

Accepted Answer

A)  The G1 and G2 phases are extended.
B)  Cytokinesis does not occur.
C)  S phase happens twice.
D)  M phase is inhibited.E) A) and B)
F) All of the above

Question 20

How do CDKs promote cell division?

Accepted Answer

A)  They regulate the activity of cyclin.
B)  They cause cyclin levels to increase and decrease.
C)  They bind to DNA.
D)  They phosphorylate other proteins.
E)  They change the ability of microtubules to polymerize.F) A) and B)
G) A) and C)

Exam 11: Cell Division: Variations, Regulation, and Cancer

Which of the following has the MOST similarity in nucleotide sequence?

Correct AnswerverifiedShow Answer

During meiosis I:

Correct AnswerverifiedShow Answer

The first oncogene to be discovered:

Correct AnswerverifiedShow Answer

During what step in meiosis do the daughter cells become haploid?

Correct AnswerverifiedShow Answer

Paramecium is a single-cell eukaryotic organism that can reproduce by mitotic cell division. Prior to the M phase of the cell cycle, which of the following must occur?

Correct AnswerverifiedShow Answer

Muscle cells in the mammalian heart are multinucleate, meaning that multiple nuclei are present in the cytoplasm of a large cell. Predict what is different about the cell cycle in a muscle cell.

Correct AnswerverifiedShow Answer

In fungi and plants, mitotic cell division of haploid cells follows meiosis.

Correct AnswerverifiedShow Answer

Which of the following is circled in this electron micrograph? Photo credit: Biophoto Associates/Science Source

Correct AnswerverifiedShow Answer

What would happen if a defect in S phase occurred during cell division?

Correct AnswerverifiedShow Answer

How do CDKs promote cell division?

Correct AnswerverifiedShow Answer

p53 is an example of a(n) :

Correct AnswerverifiedShow Answer

Which of the following is NOT true about gametes?

Correct AnswerverifiedShow Answer

A cell in prophase I of meiosis has _____ as many chromosomes as each of the daughter cells following cytokinesis of meiosis II.

Correct AnswerverifiedShow Answer

A cell that is not actively dividing is in what phase of the cell cycle?

Correct AnswerverifiedShow Answer

At the start of mitosis, how many sister chromatids are present in a human cell?

Correct AnswerverifiedShow Answer

Given that the correct number of chromosomes is vital to the proper functioning of a cell, which of the statements below is CORRECT if a cell passes from G1 to S phase in the cell cycle?

Correct AnswerverifiedShow Answer

What cellular process(es) is/are responsible for the increase in protein content associated with the gap phases of the cell cycle?

Correct AnswerverifiedShow Answer

In which phase of mitosis does the nuclear envelope reform?

Correct AnswerverifiedShow Answer

Which of the following is NOT a step in the process of binary fission?

Correct AnswerverifiedShow Answer

The division of genetic material in a eukaryotic cell is called:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Given that the correct number of chromosomes is vital to the proper functioning of a cell, which of the statements below is CORRECT if a cell passes from G₁ to S phase in the cell cycle?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified