CELL CYCLE QUIZ | EXAMIANS

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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The G0 phase is

another name for interphase

a permanent state of all body cells

All of these

the state of most cells in an animal body

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In which of the following phase preparations for genome separation are made?

G1

C

M

G2

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In the cell cycle replication of the genome occurs in the

M phase

G1 phase

G2 phase

S phase

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

replication origin

equatorial plate

centromeres

cell membrane

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Which of the following statements about mitosis is incorrect?

Chromosomes separate during anaphase when the kinetochore microtubules shorten as they depolymerize

Chromosomes move to the metaphase plate using motor proteins, a kind of kinesin, attached to spindle fibers

Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other

The daughter nuclei are genetically identical to the parent nucleus

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

Metaphase in mitosis

Anaphase, G1 boundary

S-G2 boundary

G1-S boundary

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How many chromatids are there in a duplicated chromosome?

Three

Four

One

Two

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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?

S phase

Gl Phase

G0 Phase

Prophase

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

Centromere

Nucleosome

Histone

Centriole

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