Multiple Choice
Which stage in the cell cycle is divided into four distinct phases?
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11. Cell Division
Introduction to the Cell Cycle
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Which phase of the cell cycle results in the creation of replicated chromosomes?
A
G2 phase
B
G1 phase
C
S phase
D
M phase
Verified step by step guidance1
Understand the cell cycle: The cell cycle consists of several phases, including G1, S, G2, and M phases. Each phase has a specific role in cell growth and division.
Focus on the S phase: The S phase, or synthesis phase, is the part of the cell cycle where DNA replication occurs. During this phase, the cell synthesizes a complete copy of its DNA, resulting in replicated chromosomes.
Compare the roles of other phases: G1 phase is primarily for cell growth and preparation for DNA replication. G2 phase involves preparation for mitosis, including protein synthesis and organelle replication. M phase is where mitosis occurs, leading to cell division.
Identify the correct phase for chromosome replication: Since DNA replication occurs in the S phase, this is the phase responsible for creating replicated chromosomes.
Conclude that the S phase is the correct answer: Based on the understanding of the cell cycle, the S phase is the phase where replicated chromosomes are created.
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