G₁ , G₂ and S phases are seen in which phase of
cell cycle
(a) Metaphase (b) Prophase
(c) Anaphase (d) Interphase
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G₁, G₂ and S phases are seen in interphase of cell cycle.
Explanation:
Interphase of the cell cycle comprises G1, S and G2 phases in eukaryotic cells.
It is the phase of preparation for cell division or mitosis.
G1 Phase or growth phase: The cell grows in size, synthesizes the enzymes for replication of DNA and nutrients required for DNA synthesis.
S phase: The DNA replication takes place in S phase of interphase. G1 phase is preceded by S phase. The genetic material or DNA gets doubled for division of the cell.
In G2 PHASE or gap phase 2: After the S phase when DNA has replicated in the cell, it gets ready for mitosis. Here the cell growth is very fast and required proteins are synthesized.
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