Maximum cytoplasmic growth and duplication of semi-autonomous organelles occur in ___________________.

G_{1} a n d G_{2}

respectively

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G_{2}

and M-phase respectively

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G_{1}

only

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G_{2}

only

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Solution

The correct option is A $G_{1} a n d G_{2}$ respectively
$G_{2}$ only(Ans)
Organelle replication, occurs during the $G_{2}$ stage of the cell cycle. During this stage, organelles are replicated and proteins are synthesised, it follows DNA replication which occurs during the S-phase. It is also characterised by cytoplasmic growth where as in $G_{1}$ phase, cell normally grows and carries out normal metabolism.

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Similar questions

Q. Match the following events that occur in their respective phases of cell cycle and select the correct option:

Column - I	Column - II
(a)	$G_{1}$ phase	(i)	Cell grows and organelle duplication
(b)	S phase	(ii)	DNA replication and chromosome duplication
(c)	$G_{2}$ phase	(iii)	Cytoplasmic growth
(d)	Metaphase in M-phase	(iv)	Alignment of M-phase chromosomes

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