CELL CYCLE QUIZ | EXAMIANS

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

Anaphase

Metaphase

Prophase

Interphase

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A centromere is

another name for kinetochore

All of these

a constriction on a chromosome bound to a disk

the structure to which microtubules attach

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

G2

G1

S

M

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The cell cycle is controlled in most cells by

different cells exhibit different control strategies

cell size (when the cell reaches a certain size, it divides)

a series of checkpoints

time (after a certain length of time the cell divides)

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

Spindle

Aster

Chromatid

Kinetochore

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The phase of mitosis which is associated with the formation of the nuclear envelope, is

anaphase

prophase

telophase

metaphase

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Sequences that correctly describes the cell cycle is

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

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

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

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

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

Interlukin 2

FGF

Erythroprotein

PDGF

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Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell.

M

G2

C

S

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

M

C

G1

G2

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