CELL CYCLE QUIZ | EXAMIANS

At the center of the cell cycle control system is Cdk, a protein that

is only active during mitosis

is phosphorylated to become active

manufactures growth factors

binds to different cyclins

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The G0 phase is

All of these

another name for interphase

a permanent state of all body cells

the state of most cells in an animal body

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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)

a series of checkpoints

different cells exhibit different control strategies

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Which of the following from a blood clot stimulates the growth of cells in the healing process?

NGF

EGF

PDGF

MPF

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The term, not related to mitosis is

DNA replication

somatic cells

gametes

chromosomes

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How many chromatids are there in a duplicated chromosome?

Three

One

Four

Two

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The event(s) which does not occur during interphase, is/are

Chromatin condenses

Protein Synthesis

DNA replication

Organelles replication

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The spindle forms in the

G2 phase

G1 phase

M phase

S phase

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

46

92

69

23

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In prokaryotes, just before the cell divides, the two daughter genomes are attached side by side to the

equatorial plate

centromeres

replication origin

cell membrane

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