Question

2. What happens to a cell after M phase of cell cycle?
(a) Nucleocytoplasmic index decreases.
(b) Nucleocytoplasmic index increases.
(c) Nucleocytoplasmic index fluctuates.
(d) Nucleocytoplasmic index remains constant.​

Answer 1

Answer:

(a) Nucleocytoplasmic index decreases

Explanation:

During Gt phase, the cell is in resting state and the nucleocytoplasmic index is stable. During the S phase of the cell cycle, DNA replicates, consequendy nucleocytoplasmic index increases due to increase in nuclear volume. During G2 phase, the cell is again stable. During M phase, nucleocytoplasmic index decreases. After M phase or mitosis when the cell divides, nucleoplasmic index returns to normal.

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