22 AUGUST 2021 CURRENT AFFAIRS QUIZ

At the __________ checkpoint, cell growth is controlled.

G2

G1

S

C

TRUE ANSWER : ?
YOUR ANSWER : ?

At the center of the cell cycle control system is Cdk, a protein that

manufactures growth factors

is only active during mitosis

binds to different cyclins

is phosphorylated to become active

TRUE ANSWER : ?
YOUR ANSWER : ?

DNA replication is controlled at which of the following checkpoint?

M

G2

S

G1

TRUE ANSWER : ?
YOUR ANSWER : ?

Microtubules grow from the poles to kinetochores of each chromatid during

prophase

anaphase

metaphase

telophase

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Histone

Centriole

Nucleosome

Centromere

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Erythroprotein

PDGF

FGF

Interlukin 2

TRUE ANSWER : ?
YOUR ANSWER : ?

How many chromatids are there in a duplicated chromosome?

One

Three

Four

Two

TRUE ANSWER : ?
YOUR ANSWER : ?

The G0 phase is

All of these

a permanent state of all body cells

the state of most cells in an animal body

another name for interphase

TRUE ANSWER : ?
YOUR ANSWER : ?

The term, not related to mitosis is

chromosomes

gametes

DNA replication

somatic cells

TRUE ANSWER : ?
YOUR ANSWER : ?

The centromeres move toward the poles in __________ .

metaphase

prophase

interphase

anaphase

TRUE ANSWER : ?
YOUR ANSWER : ?

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