CELL CYCLE QUIZ | EXAMIANS

The cell cycle is controlled in most cells by

cell size (when the cell reaches a certain size, it divides)

time (after a certain length of time the cell divides)

different cells exhibit different control strategies

a series of checkpoints

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Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell.

G2

C

M

S

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The term homologous chromosomes

is another name for sister chromatids

means a pair of chromosomes of the same kind, such as sex chromosomes

refers to replications of the same chromosome

must be haploid

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Which of the following begins when pairs of sister chromatids align in the center of the cell?

Anaphase

Interphase

Metaphase

Prophase

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Which of the following is the normal cell cycle, primarily regulated at checkpoints?

S-G2 boundary

Metaphase in mitosis

Anaphase, G1 boundary

G1-S boundary

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In the cell cycle replication of the genome occurs in the

G2 phase

S phase

G1 phase

M phase

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Cells which no longer divide (such as certain specialized cells found in the human brain) remain in which phase of the cell cycle?

G0 Phase

S phase

Gl Phase

Prophase

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Which of the following triggers the division of activated T lymphocytes?

FGF

PDGF

Interlukin 2

Erythroprotein

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Which phase of mitosis is associated with separation of chromatids?

Anaphase

Telophase

Metaphase

Prophase

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How many chromatids does a diploid body cell contain just prior to cell division?

46

23

92

69

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