Questions: In a cell's life, cell growth occurs primarily during what phase? G0 S G1 M

Transcript text: In a cell's life, cell growth occurs primarily during what phase? $\mathrm{G}_{0}$ S $\mathrm{G}_{1}$ M

Solution

The answer is the third one (G1): cell growth occurs primarily during the G1 phase.

Explanation for each option:

G0: This is a resting phase where the cell is not actively preparing to divide. Cells in G0 have exited the cell cycle and are not growing or dividing, so this is not the phase where primary cell growth occurs.
S: The S phase is where DNA replication occurs. While some growth may happen, the primary focus of this phase is the synthesis of DNA, not cell growth.
G1: The G1 phase is the first phase of the cell cycle after cell division. During this phase, the cell grows in size, produces RNA, and synthesizes proteins necessary for DNA replication. This is the primary phase for cell growth.
M: The M phase, or mitosis, is where the cell divides its copied DNA and cytoplasm to form two new cells. This phase is focused on cell division rather than growth.

In summary, cell growth occurs primarily during the G1 phase of the cell cycle.

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