Multiple Choice
In a typical proliferating eukaryotic cell, which phase is generally the longest portion of the cell cycle?
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16. Cell Division
Overview of the Cell Cycle
Multiple Choice
Which phase of the cell cycle is typically the longest in proliferating eukaryotic cells?
A
G2 phase
B
M phase
C
G1 phase
D
S phase
Verified step by step guidance1
Recall the main phases of the eukaryotic cell cycle: G1 phase, S phase, G2 phase, and M phase.
Understand the role of each phase: G1 is the first gap phase where the cell grows and prepares for DNA replication; S phase is where DNA synthesis occurs; G2 is the second gap phase where the cell prepares for mitosis; M phase is mitosis, where cell division happens.
Consider the duration of each phase in a typical proliferating eukaryotic cell. The G1 phase is usually the longest because the cell is actively growing, producing proteins, and monitoring conditions before committing to DNA replication.
Recognize that the S phase, G2 phase, and M phase are generally shorter compared to G1, as they involve specific processes like DNA replication, preparation for mitosis, and mitosis itself.
Conclude that the G1 phase is typically the longest phase in the cell cycle of proliferating eukaryotic cells.
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