CELL CYCLE QUIZ | EXAMIANS

How many chromatids does a diploid body cell contain just prior to cell division?

69

46

92

23

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following statements about mitosis is incorrect?

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

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

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YOUR ANSWER : ?

Which phase of mitosis is associated with separation of chromatids?

Anaphase

Metaphase

Telophase

Prophase

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YOUR ANSWER : ?

At the __________ checkpoint, cell growth is controlled.

G1

S

C

G2

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YOUR ANSWER : ?

The cell cycle is controlled in most cells by

a series of checkpoints

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

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

different cells exhibit different control strategies

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

S

C

G2

M

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

histones

p53

cyclins

MPF

TRUE ANSWER : ?
YOUR ANSWER : ?

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

anaphase

metaphase

prophase

telophase

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YOUR ANSWER : ?

Which of the following begins when pairs of sister chromatids align in the center of the cell?

Interphase

Metaphase

Anaphase

Prophase

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YOUR ANSWER : ?

During which phase, a cleavage furrow is formed in animal cells?

G1

M

G2

C

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YOUR ANSWER : ?