If the binding of muscarine to its receptor in the heart causes the beta-gamma complex of the G-protein to bind to a K+ channel, ________.

A. the K+ channel will close, leading to depolarization
B. the K+ channel will open, leading to depolarization
C. the K+ channel will open, leading to hyperpolarization and inhibition
D. the K+ channel will close, leading to hyperpolarization and inhibition


Answer: C

Anatomy & Physiology

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