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    Principles of Medical Biochemistry
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    Exam 18: Cellular Growth Control and Cancer
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    In Order to Push the Cell Through the G₁ Checkpoint
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In Order to Push the Cell Through the G₁ Checkpoint

Question 8

Question 8

Multiple Choice

In order to push the cell through the G₁ checkpoint, the cyclin-dependent kinases have to phosphorylate:


A) The p53 protein.
B) The retinoblastoma protein pRb.
C) The MAP kinases.
D) The Ras protein.
E) The Bcl2 protein.

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