A Phosphatase Is Capable of Dephosphorylating Molecules

question 16

Multiple Choice

A phosphatase is capable of dephosphorylating molecules.What would this enzyme do in a signal transduction pathway that used a kinase cascade?

• A)Phosphorylate a transcription factor.
• B)Serve as a ligand for the receptor.
• C)Activate the cascade.
• D)Phosphorylate a receptor.
• E)Turn off the cascadE.

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