Multiple Choice
During which stage of the cell cycle are chromosomes duplicated (DNA replication occurs)?
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16. Cell Division
DNA Replication
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During the S phase of the eukaryotic cell cycle, what is the primary event that occurs in the cell?
A
The cell undergoes cytokinesis, physically dividing into two daughter cells.
B
Chromosomes align at the metaphase plate and attach to spindle microtubules.
C
The cell replicates its DNA, producing sister chromatids for each chromosome.
D
The nuclear envelope breaks down and condensed chromosomes become visible.
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