During cell growth DNA synthesis takes place in 

(a) S-phase

 (b) G1-phase

(c) G2-phase

(d) M-phase

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1 Answers

Correct option (a) S-phase

Explanation :

In the cycle of cell division, interphase is the longest phase consisting of G1, S, G2-phases. In this phase cell prepares itself for cell division. In S or synthetic phase DNA duplication (synthesis) takes place.

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