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:

A)                                                                                                                                                         S phase   

B)                 \[{{G}_{1}}\] phase        

C)                 \[{{G}_{2}}\] phase 

D)                 M phase

Correct Answer: A

Solution :

                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 \[{{G}_{2}}\] phase. In S phase synthesis of DNA and histone takes place.