If You Mutate the Gene Encoding a Cdk Such That

question 68

Multiple Choice

If you mutate the gene encoding a Cdk such that Cdk protein product cannot bind to cyclin, what effect would you expect to see?

• A)Cdk will be unaffected.
• B)The cell cycle will be up-regulated, and the cells will proliferate.
• C)Cdk will be inactive, so the target proteins will not be phosphorylated.
• D)Cdk will be constitutively active, so the cell cycle will be unchecked.
• E)Cdk will phosphorylate its target proteins regardless of the cell cycle.

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