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Animation: Control of the Cell Cycle
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View the animation below, then complete the quiz to test your knowledge of the concept.






1The success of DNA replication is assessed during the ______ phase.
A)G1
B)M
C)C
D)S
E)G2



2The cell cycle is regulated by checkpoints during the _______ phases.
A)G1, S and G2
B)G1, S and C
C)G1, G2, and M
D)G1, S and M
E)G1, S, G2 and M



3A eukaryotic cell that receives a “go-ahead” signal at the G1 checkpoint of the cell cycle will
A)complete the cycle and divide.
B)move directly into the M phase.
C)move directly into the G2 phase.
D)enter a resting stage.
E)stop growing.



4Preparation for cell division occurs in the G2 phase.
A)True
B)False



5After cytokinesis, the cell enters the G1 phase.
A)True
B)False







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