Multiple Choice
When cells exit either semi-permanently or permanently from the cell cycle and develop a specific function, they are said to be in _____ phase.
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11. Cell Division
Introduction to the Cell Cycle
Multiple Choice
What occurs during the G1 and G2 phases of the cell cycle?
A
Cell growth and preparation for mitosis
B
Chromosome segregation
C
Cytokinesis
D
DNA replication
Verified step by step guidance1
Understand the cell cycle: The cell cycle consists of several phases that a cell goes through to divide and produce new cells. These phases include G1, S, G2, and M phases.
Identify the G1 phase: During the G1 phase, the cell grows in size and synthesizes mRNA and proteins that are required for DNA synthesis. This phase is crucial for the preparation of the cell for DNA replication.
Recognize the S phase: Although not directly asked, it's important to know that DNA replication occurs during the S phase, which follows the G1 phase.
Identify the G2 phase: In the G2 phase, the cell continues to grow and produces proteins and organelles. It also begins to reorganize its contents in preparation for mitosis. This phase ensures that the cell is ready to enter the M phase.
Connect the phases to the options: The G1 and G2 phases are primarily involved in cell growth and preparation for mitosis, which aligns with the correct answer provided.
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