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Question

The bulk of histone proteins are synthesized in

A
G1 phase
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B
G2 phase
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C
S phase
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D
G0 phase
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Solution

The correct option is C S phase
A normal cell cycle comprises of interphase and mitosis. The interphase normally comprises of first growth phase (G-11 phase) which starts immediately after the cytokinesis, synthesis phase (S phase) and second growth phase (G-22 phase). The DNA synthesis or DNA replication occurs during S phase. DNA synthesis occurs through DNA replication. This is followed by synthesis of histones. Synthesis of other biochemicals also continues. Centrioles replicate towards the end of S phase or beginning of G-22 phase.
So, the correct answer is option C.

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