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Question

If a cell is to divide, when do the organelles, such as centrioles, duplicate?

A
Interphase
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B
Prophase
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C
Metaphase
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D
Anaphase
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Solution

The correct option is A Interphase
Interphase precedes cell division, and it occurs before the initiation of mitosis. Most cells of adult mammals spend about 20 hours in interphase; this accounts for about 90% of the total time involved in cell division. Interphase includes G1, S, and G2 phases and centriole duplication occur during S phase.

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