Multiple Choice
During S phase of the eukaryotic cell cycle, what is the primary event that occurs to prepare the cell for division?
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16. Cell Division
DNA Replication
Multiple Choice
During which phase of the cell cycle is DNA replicated?
A
S phase of interphase
B
M phase (mitosis)
C
G1 phase of interphase
D
G2 phase of interphase
Verified step by step guidance1
Understand the phases of the cell cycle: G1 phase (cell growth), S phase (DNA synthesis), G2 phase (preparation for mitosis), and M phase (mitosis, cell division).
Recall that DNA replication is the process of copying the cell's DNA to ensure each daughter cell receives an identical set of chromosomes.
Identify that DNA replication occurs during the S phase, which stands for 'Synthesis' phase, where the cell duplicates its DNA.
Note that G1 and G2 phases are primarily for cell growth and preparation, not DNA replication.
Recognize that M phase is when the cell divides, so DNA replication must be completed before this phase.
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