question_answer

The replication of DNA is a pre-requisite for a eukaryotic cell to undergo division. During the cell cycle the DNA replicates in: [AIPMT 2000]

A) S phase

B) G1 phase

C) G2 phase

D) M phase

Correct Answer: A

Solution :

[A] A cell cycle is consisted of interphase and M phase or division phase. Interphase is consisted of 3 phases, \[{{G}_{1}}\] phase, S phase and G2 phase. In S phase synthesis of DNA and histone takes place.