Rb is a tumor suppressor protein that acts by inhibiting phosphorylation of Cdk.

Name: Rb is a tumor suppressor protein that acts by inhibiting phosphorylation of Cdk.
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Question

Quizplus · Accepted Answer

Rb (Retinoblastoma protein) acts as a tumor suppressor by inhibiting cell cycle progression, primarily by preventing the phosphorylation of itself, not Cdk (Cyclin-dependent kinase). When Rb is phosphorylated, it releases E2F transcription factors, allowing the cell cycle to proceed.

Rb Is a Tumor Suppressor Protein That Acts by Inhibiting