CELL CYCLE QUIZ

At which of the following check point, mitosis is controlled?

S

G1

G2

M

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

manufactures growth factors

binds to different cyclins

is only active during mitosis

is phosphorylated to become active

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How many chromatids are there in a duplicated chromosome?

One

Two

Four

Three

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Which of the following is the primary growth phase of a cell?

G0

G2

G1

M

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Which phase of mitosis is associated with chromosomes aligned at the center of the cell and centromeres divide?

interphase

anaphase

metaphase

prophase

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YOUR ANSWER : ?

The spindle forms in the

S phase

G2 phase

M phase

G1 phase

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In the cell cycle replication of the genome occurs in the

M phase

S phase

G2 phase

G1 phase

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

EGF

PDGF

NGF

MPF

TRUE ANSWER : ?
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Sequences that correctly describes the cell cycle is

->cytokinesis-> mitosis -> G1 -> S -> G2 ->

-> S -> G2 -> mitosis -> cytokinesis -> G1 ->

-> G1-> G2 -> S -> mitosis -> cytokinesis ->

-> G1 ->S -> G2 -> cytokinesis -> mitosis ->

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YOUR ANSWER : ?

Which of the following is not a part of a human chromosome in any phase?

Histone

Centromere

Nucleosome

Centriole

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YOUR ANSWER : ?

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