Multiple Choice
Which is considered the first stage of the cell cycle?
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11. Cell Division
Introduction to the Cell Cycle
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In the context of the cell cycle, what is the G0 phase?
A
A phase where cells actively divide
B
A resting phase where cells exit the cell cycle
C
A phase where DNA replication occurs
D
A phase where cells prepare for mitosis
Verified step by step guidance1
Understand the cell cycle: The cell cycle is a series of phases that cells go through to grow and divide. It includes interphase (G1, S, G2) and mitotic phase (M).
Identify the G0 phase: The G0 phase is a distinct phase outside of the standard cell cycle where cells are not actively preparing to divide.
Recognize the characteristics of the G0 phase: Cells in the G0 phase are in a resting state, meaning they have exited the cell cycle and are not undergoing division or DNA replication.
Differentiate G0 from other phases: Unlike the G1 phase where cells grow and prepare for DNA replication, or the S phase where DNA replication occurs, the G0 phase is a non-dividing state.
Consider the biological significance: Cells may enter the G0 phase due to differentiation, senescence, or lack of growth signals, indicating a temporary or permanent exit from the cell cycle.
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