Multiple Choice
Which of the following occurs during the G2 phase of interphase?
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3. Energy & Cell Processes
Introduction to the Cell Cycle
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Which of the following cellular events occur in the G1 phase of the cell division cycle?
A
Nuclear envelope breakdown
B
DNA replication
C
Chromosome alignment
D
Cell growth and protein synthesis
Verified step by step guidance1
Understand the cell cycle phases: The cell cycle consists of interphase (G1, S, G2) and mitotic phase (M phase). G1 is the first phase of interphase.
Identify the key events in the G1 phase: During G1, the cell grows in size and synthesizes proteins necessary for DNA replication and other cellular functions.
Differentiate G1 from other phases: Unlike the S phase where DNA replication occurs, G1 focuses on cell growth and preparation for DNA synthesis.
Recognize what does not occur in G1: Nuclear envelope breakdown and chromosome alignment are events associated with mitosis, not the G1 phase.
Conclude the main activities of G1: The primary activities in G1 are cell growth and protein synthesis, setting the stage for the subsequent S phase.
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