Multiple Choice
In a typical eukaryotic cell cycle, how many major checkpoints are commonly described that regulate progression through the cycle?
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16. Cell Division
Control of the Cell Cycle
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In eukaryotic cells, what molecular system primarily controls progression through the cell cycle at key checkpoints (e.g., G1/S and G2/M)?
A
Cyclin-dependent kinases (CDKs) activated by binding specific cyclins
B
Ribosomes that regulate checkpoint timing by controlling translation rate
C
DNA polymerases that directly trigger checkpoint passage when replication completes
D
Golgi-derived vesicles that signal completion of organelle duplication
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Control of the Cell Cycle practice set
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