Interaction of G Proteins with an Active Receptor Causes the G

question 40

Multiple Choice

Interaction of G proteins with an active receptor causes the G proteins to do what, leading to subsequent G protein activation, and initiation of next step?

• A) The G protein releases GDP.
• B) The G protein binds GTP.
• C) The G protein binds and hydrolyzes ATP, releasing energy needed for the next step of the signal transduction process.
• D) The G protein binds PKA leading to phosphorylation of the next level relay molecules.

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