Multiple Choice
In an overview of the eukaryotic cell cycle, what best describes the G0 phase?
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16. Cell Division
Overview of the Cell Cycle
Multiple Choice
In the context of an overview of the cell cycle, what best describes the G0 phase?
A
A checkpoint phase in which cells separate sister chromatids and complete cytokinesis
B
The phase in which DNA replication occurs to produce sister chromatids
C
The phase immediately after mitosis when the nuclear envelope reforms and chromosomes decondense
D
A quiescent state in which a cell has exited the cell cycle and is not actively preparing to divide, though it may re-enter the cycle under certain conditions
Verified step by step guidance1
Understand that the cell cycle consists of several phases: G1, S, G2, and M, with checkpoints regulating progression.
Recognize that the G0 phase is distinct from these main phases and represents a state where the cell is not actively dividing.
Know that cells in G0 have exited the cycle temporarily or permanently and are metabolically active but not preparing for DNA replication or mitosis.
Differentiate G0 from other phases: it is not involved in DNA replication (S phase), mitosis (M phase), or immediate post-mitotic events (telophase).
Conclude that the G0 phase is best described as a quiescent state where cells have exited the cycle but can potentially re-enter under certain conditions.
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