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NEET BIOLOGYMedium

Given below are two statements: Statement I: During G0 phase of cell cycle, the cell is metabolically inactive. Statement II: The centrosome undergoes duplication during S phase of interphase.

In the light of the above statements, choose the most appropriate answer from the options given below:

A

Statement I is incorrect but Statement II is correct.

B

Both Statement I and Statement II are correct.

C

Both Statement I and Statement II are incorrect.

D

Statement I is correct but Statement II is incorrect.

Step-by-Step Solution

According to the textbook:

  • Statement I is Incorrect: Cells in the G0 phase (quiescent stage) do not divide but remain metabolically active .
  • Statement II is Correct: In animal cells, during the S phase, DNA replication begins in the nucleus, and the centriole duplicates in the cytoplasm (centrioles are the key components of the centrosome) .
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