During what phase of the cell life cycle does replication of DNA occur?
A) G1 phase
B) G0 phase
C) S phase
D) G2 phase
C
Explanation:
A) The G1 phase is a time for protein synthesis, growth, and replication of organelles, including the centriole pair.
B) During the G0 phase of interphase, the cell performs its specialized functions and is not preparing to divide.
D) The G2 phase is another time for protein synthesis; at this point, replication of the centriole pair is completed.
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