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MediumBotanyCell Cycle and Cell Division
+4 / -1

Given below are the two statements : one is labelled as Assertion (A) and other is labelled as Reason (R).

Assertion (A) : Some cells in the adult animals donot appear to exhibit division (eg. heart cells) and many other cells divide only occasionally, as needed to replace cells that have been lost because of injury or cell death. These cells that dont divide further exit G₁ phase to enter an inactive stage called quiescent stage (G₀) of the cell cycle.
Reason (R) : M-phase is the most dramatic period of the cell cycle, involving a major reorganization of virtually all components of cell.

A
Both A and R are true but R is not the correct explanation of A.
B
A is true but R is false.
C
A is false but R is true.
D
Both A and R are true and R is correct explanation of A.
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