CELL CYCLE QUIZ | EXAMIANS

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

MPF

histones

cyclins

p53

TRUE ANSWER : ?
YOUR ANSWER : ?

The cell cycle is controlled in most cells by

a series of checkpoints

different cells exhibit different control strategies

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

M

G1

G2

C

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following statements about mitosis is incorrect?

The daughter nuclei are genetically identical to the parent nucleus

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

C

G2

M

S

TRUE ANSWER : ?
YOUR ANSWER : ?

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

G1-S boundary

Metaphase in mitosis

S-G2 boundary

Anaphase, G1 boundary

TRUE ANSWER : ?
YOUR ANSWER : ?

The term, not related to mitosis is

gametes

chromosomes

DNA replication

somatic cells

TRUE ANSWER : ?
YOUR ANSWER : ?

The spindle forms in the

G2 phase

S phase

G1 phase

M phase

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Erythroprotein

FGF

Interlukin 2

PDGF

TRUE ANSWER : ?
YOUR ANSWER : ?

A centromere is

another name for kinetochore

the structure to which microtubules attach

All of these

a constriction on a chromosome bound to a disk

TRUE ANSWER : ?
YOUR ANSWER : ?