Multiple Choice
Which of the following occurs during the S-phase of interphase?
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11. Cell Division
Introduction to the Cell Cycle
Multiple Choice
Which of the following processes takes place during the G1 phase of the cell cycle?
A
Nuclear envelope breakdown
B
Cell growth and protein synthesis
C
DNA replication
D
Chromosome segregation
Verified step by step guidance1
Understand the cell cycle phases: The cell cycle consists of interphase (G1, S, and G2 phases) and the mitotic phase (M phase). Each phase has specific functions.
Identify the G1 phase: The G1 phase is the first stage of interphase, where the cell grows and carries out normal functions. It is a period of cellular growth and preparation for DNA replication.
Consider the processes listed: Nuclear envelope breakdown, cell growth and protein synthesis, DNA replication, and chromosome segregation.
Match processes to phases: Nuclear envelope breakdown occurs during mitosis, DNA replication occurs in the S phase, and chromosome segregation occurs during mitosis.
Conclude the correct process for G1: Cell growth and protein synthesis are the primary activities during the G1 phase, as the cell prepares for DNA replication in the subsequent S phase.
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