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Multiple Choice
During which phase of the cell cycle does mitosis occur?
A
G1 phase (cell growth before DNA replication)
B
G2 phase (cell growth after DNA replication)
C
M phase (mitotic phase)
D
S phase (DNA synthesis)
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Verified step by step guidance
1
Understand the overall structure of the cell cycle, which consists of interphase (G1, S, G2 phases) and the M phase (mitotic phase).
Recall that during the G1 phase, the cell grows and prepares for DNA replication, but mitosis does not occur here.
Recognize that the S phase is when DNA synthesis (replication) happens, so mitosis is not occurring during this phase either.
Note that the G2 phase involves further cell growth and preparation for mitosis, but the actual process of mitosis has not started yet.
Identify that mitosis, the process of cell division where replicated chromosomes are separated into two daughter cells, occurs specifically during the M phase.