๐Ÿงฌap biology review

G-zero

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

G-zero is a phase in the cell cycle where cells temporarily exit the cell cycle and remain in a resting state. During this phase, cells do not actively divide or replicate their DNA.

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