Question 1

A cell cycle checkpoint at which phase would ensure sufficient nutrients for cell division were available?

Accepted Answer

A)   S
B)   prophase
C)   metaphase
D)   G1 or G2
E)   G1 or SF) B) and D)
G) B) and E)

Question 2

During which phase of meiosis will the chromosomes appear as a unit of four chromatids?

Accepted Answer

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

Question 3

In which phase of mitosis do chromosomes arrive at opposite sides of the cell?

Accepted Answer

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

Question 4

Tumor suppressor genes _____.

Accepted Answer

A)   will turn into cancer genes
B)   encode proteins that inhibit mitosis
C)   encode proteins that promote mitosis
D)   are cancer genes that back mutate into normal genes
E)    encode proteins that promote DNA replicationF) C) and E)
G) A) and C)

Question 5

In mitosis, _____.

Accepted Answer

A)   the chromosome number is halved
B)   the chromosome number is doubled
C)   the chromosome number stays the same
D)   the chromosome number may double or be halved depending on the species
E)   gametes are formedF) None of the above
G) A) and D)

Question 6

Which organisms replicate cells by mitosis?

Accepted Answer

A)   animals and bacteria
B)   animals and plants
C)   bacteria and plants
D)   archaea and bacteria
E)   archaea and plantsF) B) and C)
G) A) and D)

Question 7

Which is a characteristic of malignant cells?

Accepted Answer

A)   abnormal plasma membrane and cytoplasm; abnormal cell division
B)   normal plasma membrane and cytoplasm; abnormal cell division
C)   abnormal plasma membrane and normal cytoplasm; normal cell division
D)   normal plasma membrane and abnormal cytoplasm; abnormal cell division
E)   normal plasma membrane and cytoplasm; normal cell divisionF) A) and E)
G) A) and B)

Question 8

_____ is the stage of the cell cycle during which a cell performs its normal metabolic processes.

Accepted Answer

A)   G1
B)   S
C)   G2
D)   prophase
E)   telophaseF) A) and E)
G) A) and D)

Question 9

Mutations in genes that control _____ are likely to cause cancer.

Accepted Answer

A)   phenotype expression
B)   metabolism
C)   ribosomal proteins
D)   cell cycle checkpoints
E)   telomere shorteningF) B) and E)
G) B) and D)

Question 10

A chicken somatic cell carries 78 chromosomes. A chicken sperm cell will contain how many chromosomes?

Accepted Answer

A)   19
B)   39
C)   78
D)   156
E)   312F) B) and E)
G) B) and C)

Question 11

A parent cell with 12 chromosomes will produce daughter cells with _____ chromosomes by mitosis.

Accepted Answer

A)   48
B)   24
C)   12
D)   6
E)   3F) C) and D)
G) A) and B)

Question 12

In what phase of the cell cycle does a typical cell spend most of its life?

Accepted Answer

A)   interphase
B)   prophase
C)   metaphase
D)   anaphase
E)   telophaseF) C) and D)
G) None of the above

Question 13

Which phases comprise interphase?

Accepted Answer

A)   G1 and G2
B)   S and G2
C)   G1 and S
D)   G1, S, and G2
E)   prophase, metaphase, anaphase, and telophaseF) B) and C)
G) None of the above

Question 14

Meiosis in a diploid organism typically produces _____.

Accepted Answer

A)   two diploid cells
B)   four diploid cells
C)   four haploid cells
D)   two haploid cells
E)   one triploid cellF) B) and E)
G) B) and C)

Question 15

Crossing over is one of the most important events in meiosis because it _____.

Accepted Answer

A)   produces new combinations of alleles on chromosomes
B)   causes separation of homologous chromosomes
C)   causes separation of sister chromatids
D)   results in the production of haploid gametes
E)   aligns homologous chromosomes so that they can be separated in anaphase IIF) B) and E)
G) C) and D)

Question 16

Immortal cell lineages _____.

Accepted Answer

A)   are derived from normal body cells
B)   are unable to grow outside the body
C)   have limited research applications
D)   are derived from cancerous cells
E)   are used in cell replacement therapiesF) C) and E)
G) C) and D)

Question 17

Examine the micrographs below to answer the following question.     
The cell in micrograph "I"  is at which stage of the cell cycle?

Accepted Answer

A)   prophase
B)   telophase
C)   interphase
D)   anaphase
E)   metaphaseF) D) and E)
G) A) and E)

Question 18

A cell cycle checkpoint for S phase would likely inhibit progression through the cell cycle if _____.

Accepted Answer

A)   there are not enough proteins for division to continue
B)   ATP supply in the cell is low
C)   there is DNA damage
D)   the temperature of the cell is too low
E)   surrounding cells are dividingF) A) and B)
G) B) and E)

Question 19

The spindle apparatus is made of _____.

Accepted Answer

A)   centromeres
B)   microfilaments
C)   microtubules
D)   chromatids
E)   nucleotidesF) B) and E)
G) A) and D)

Question 20

Alternative or different forms of the same gene are called _____.

Accepted Answer

A)   homozygous
B)   chromatids
C)   alleles
D)   homologous
E)   karyotypesF) A) and B)
G) C) and D)

Exam 9: How Cells Reproduce

In what phase of the cell cycle does a typical cell spend most of its life?

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During which phase of meiosis will the chromosomes appear as a unit of four chromatids?

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Which is a characteristic of malignant cells?

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Meiosis in a diploid organism typically produces _____.

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Tumor suppressor genes _____.

Correct AnswerverifiedShow Answer

Immortal cell lineages _____.

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Which phases comprise interphase?

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The spindle apparatus is made of _____.

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Mutations in genes that control _____ are likely to cause cancer.

Correct AnswerverifiedShow Answer

A parent cell with 12 chromosomes will produce daughter cells with _____ chromosomes by mitosis.

Correct AnswerverifiedShow Answer

Which organisms replicate cells by mitosis?

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In mitosis, _____.

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A cell cycle checkpoint at which phase would ensure sufficient nutrients for cell division were available?

Correct AnswerverifiedShow Answer

In which phase of mitosis do chromosomes arrive at opposite sides of the cell?

Correct AnswerverifiedShow Answer

A cell cycle checkpoint for S phase would likely inhibit progression through the cell cycle if _____.

Correct AnswerverifiedShow Answer

Alternative or different forms of the same gene are called _____.

Correct AnswerverifiedShow Answer

Crossing over is one of the most important events in meiosis because it _____.

Correct AnswerverifiedShow Answer

A chicken somatic cell carries 78 chromosomes. A chicken sperm cell will contain how many chromosomes?

Correct AnswerverifiedShow Answer

_____ is the stage of the cell cycle during which a cell performs its normal metabolic processes.

Correct AnswerverifiedShow Answer

Examine the micrographs below to answer the following question. The cell in micrograph "I" is at which stage of the cell cycle?

Correct AnswerverifiedShow Answer

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