Which of the given events are correct w.r.t. G₂ phase?
A. Duplication of centriole
B. Proteins are synthesized
C. Replication of DNA
D. Duplication of chloroplast

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Both A and C

Both B and D

Both B and C

Both A and B

answer is D.

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Detailed Solution

During S-phase, DNA replication begins in the nucleus, and the centriole duplicates in the cytoplasm. During the G₂ phase, proteins are synthesised in preparation for mitosis while cell growth continues. Mitochondria and chloroplasts are doubled during this stage.

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