CELL CYCLE QUIZ

DNA replication is controlled at which of the following checkpoint?

G2

G1

S

M

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YOUR ANSWER : ?

In which phase, each chromosome replicates to produce two sister chromatids?

Metaphase

Prophase

Interphase

Anaphase

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In the cell cycle replication of the genome occurs in the

M phase

G2 phase

G1 phase

S phase

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Cdks bind with __________ , enabling the Cdks to function as enzymes.

cyclins

p53

histones

MPF

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

Organelles replication

Chromatin condenses

DNA replication

Protein Synthesis

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

binds to different cyclins

is phosphorylated to become active

is only active during mitosis

manufactures growth factors

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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?

Prophase

G0 Phase

Gl Phase

S phase

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

G2

G1

S

M

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The term homologous chromosomes

refers to replications of the same chromosome

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

must be haploid

is another name for sister chromatids

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

Nucleosome

Histone

Centromere

Centriole

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