CBSE Class 9 Answered
cell cycle.............
Asked by topperswati | 23 Nov, 2009, 04:44: PM
Expert Answer
Cell cycle is the sequence of events by which a cell duplicates its contents and divides in two. There are 5 recognised phases of the cell cycle:
G0 - rest phase,
G1 - 1st gap phase where cells prepare to synthesise DNA and undego mass synthesis,
S - cells synthesise DNA and double 2n to 4n,
G2 - 2nd gap phase where the cells prepare to divide and
M - mitosis
Answered by | 24 Nov, 2009, 01:08: PM
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