The correct sequence in cell cycle is ______.

(a)

S-M-G1-G2

(b)

S-G1-G2-M

(c)

G1-S-G2-M

(d)

M-G-G2-S

If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as _____.

(a)

S Phase

(b)

G2 Phase

(c)

M Phase

(d)

G0 Phase

Anaphase promoting complex APC is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in human cell, which of the following is expected to occur?

(a)

Chromosomes will be fragmented

(b)

Chromosomes will not condense

(c)

Chromosomes will not segregate

(d)

Recombination of Chromosomes will occur

In S phase of the cell cycle ______.

(a)

Amount of DNA doubles in each cell

(b)

Amount of DNA remains same in each cell

(c)

Chromosome number is increased

(d)

Amount of DNA is reduced to half in each cell

Centromere is required for ______.

(a)

transcription

(b)

crossing over

(c)

cytoplasmic cleavage

(d)

movement of chromosome towards pole