First slide
Cell Cycle
Question

Which of the following correctly related with given diagram?

               

(i)   Sequence of cell cycle = G1 – S – G2 – M phase

(ii)  A cell exits G1 phase to enter an inactive state – Quiescent or G0

(iii)  G1 phase is the interval between mitosis and initiation of DNA replication

(iv) In G1 phase DNA synthesis occurs

Easy
Solution

DNA synthesis occurs in S phase. G1 phase is the interval between mitosis and initiation of DNA replication. Cells exit in G1 stage and enter into inactive stage called G0 stage. The various stages in a sequence in a cell cycle are G1, S, G2 and M stages.

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