CELL CYCLE QUIZ | EXAMIANS

In the cell cycle replication of the genome occurs in the

G1 phase

S phase

M phase

G2 phase

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

Interlukin 2

Erythroprotein

FGF

PDGF

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At the __________ checkpoint, cell growth is controlled.

G1

G2

S

C

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Microtubules grow from the poles to kinetochores of each chromatid during

telophase

anaphase

prophase

metaphase

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What structure forms as a network of protein cables during cell division?

Kinetochore

Chromatid

Spindle

Aster

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A centromere is

All of these

the structure to which microtubules attach

a constriction on a chromosome bound to a disk

another name for kinetochore

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

Chromatin condenses

Organelles replication

Protein Synthesis

DNA replication

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

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

The daughter nuclei are genetically identical to the parent nucleus

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

M

G1

C

G2

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The centromeres move toward the poles in __________ .

metaphase

interphase

anaphase

prophase

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