Multiple Choice
During which stage of the cell cycle is the DNA copied?
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11. Cell Division
Introduction to the Cell Cycle
Multiple Choice
In what phase of the cell cycle does the DNA of the cell duplicate?
A
G1 phase
B
M phase
C
S phase
D
G2 phase
Verified step by step guidance1
Understand the cell cycle: The cell cycle is divided into several phases, including G1, S, G2, and M phases. Each phase has a specific role in cell growth and division.
Identify the role of each phase: The G1 phase is the first gap phase where the cell grows and prepares for DNA replication. The S phase is where DNA replication occurs. The G2 phase is the second gap phase where the cell prepares for mitosis. The M phase is where mitosis and cytokinesis occur.
Focus on DNA replication: DNA replication is a crucial process where the cell duplicates its DNA to ensure that each daughter cell receives an identical set of chromosomes.
Determine the phase for DNA duplication: Since DNA replication is the main event in the S phase, this is the phase where the DNA of the cell duplicates.
Conclude with the correct phase: Based on the understanding of the cell cycle phases, the S phase is the correct answer for when DNA duplication occurs.
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