How Does the Protein Sic1 Regulate the Cell Cycle? ​

question 45

Multiple Choice

How does the protein Sic1 regulate the cell cycle? ​

• A)Sic1 is a cyclin that binds to a Cdk to form a cyclin/Cdk complex, which regulates the G₁ to S transition.
• B)Sic1 inhibits an S phase cyclin/CDK complex required for synthesis to occur
• C)Sic1 binds to a cyclin, to form a complex that regulates the G₂ to M transition.
• D)Sic1 is a growth factor that binds to external receptors and promotes the transition from G₁ to S.
• E)Sic1 is a cyclin that binds to a Cdk to form a cyclin/Cdk complex to regulate the G₂ to M transition.

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