Question

What is the action of the binding of muscarine to its receptors in the digestive system?
A. alpha subunits bind to K+ channels, close them, leading to depolarization.
B. alpha subunits bind to K+ channels, open them, leading to hyperpolarization.
C. beta-gamma subunits bind to K+ channels, close them, leading to depolarization.
D. beta-gamma subunits bind to K+ channels, open them, leading to hyperpolarization.

Answer

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