Scelta multipla
During DNA replication, which enzyme is responsible for unzipping (unwinding) the DNA double helix at the replication fork?
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8. DNA Replication
Overview of DNA Replication
Scelta multipla
During which phase of the eukaryotic cell cycle does DNA replication occur?
A
M phase (mitosis)
B
G2 phase of interphase
C
G1 phase of interphase
D
S phase of interphase
Guida verificata passo dopo passo1
Understand the eukaryotic cell cycle phases: G1 phase (first gap), S phase (synthesis), G2 phase (second gap), and M phase (mitosis).
Recall that DNA replication is the process of copying the entire genome to prepare for cell division.
Identify that DNA replication must occur before mitosis to ensure each daughter cell receives a complete set of chromosomes.
Recognize that the S phase (synthesis phase) of interphase is specifically dedicated to DNA replication.
Conclude that DNA replication occurs during the S phase of interphase, not during G1, G2, or M phases.
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