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Multiple Choice
What is the G0 phase of the cell cycle?
A
A resting phase where the cell has left the cycle and has stopped dividing
B
A phase where the cell prepares for DNA replication
C
A phase where the cell undergoes mitosis
D
A phase where the cell duplicates its DNA
Verified step by step guidance
1
Understand the cell cycle: The cell cycle consists of several phases including G1, S, G2, and M phases. Cells can also enter a resting state known as the G0 phase.
Define the G0 phase: The G0 phase is a period in the cell cycle where cells exist in a quiescent state. This means they are not actively preparing to divide or undergoing division.
Differentiate G0 from other phases: Unlike the S phase where DNA replication occurs, or the M phase where mitosis happens, the G0 phase is characterized by the cell leaving the cycle and halting division.
Consider the function of G0: Cells in the G0 phase may be performing their normal functions without dividing, or they may be in a state of dormancy.
Identify the correct description: Based on the characteristics of the G0 phase, it is best described as a resting phase where the cell has left the cycle and has stopped dividing.