Essential Biochemistry - Mechanism Of Hormone Action (Section 2 - No. 18)

Which of the following is NOT a function of the G protein in hormone action?
Exchanging GDP to GTP
Activating adenylate cyclase
Phosphorylating enzymes
Binding to hormone-receptor complex

Explanation

Binding to the hormone-receptor complex is the initial step. The G-protein is activated afterwards.

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