Multiple Choice
Which phase comes immediately after the S phase in the cell cycle?
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11. Cell Division
Introduction to the Cell Cycle
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Which phase of the cell cycle is characterized by the duplication of DNA?
A
G1 phase
B
S phase
C
G2 phase
D
M phase
Verified step by step guidance1
Understand the cell cycle: The cell cycle consists of several phases that a cell goes through to divide and replicate. These phases include G1, S, G2, and M.
Identify the purpose of each phase: The G1 phase is where the cell grows and performs its normal functions. The S phase is where DNA replication occurs. The G2 phase involves further growth and preparation for mitosis. The M phase is where mitosis and cytokinesis occur, leading to cell division.
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.
Recognize the S phase: The S phase, or synthesis phase, is specifically characterized by the duplication of DNA. During this phase, the cell synthesizes a complete copy of its DNA.
Conclude with the correct phase: Based on the understanding of the cell cycle, the phase characterized by the duplication of DNA is the S phase.
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