15. At neuromuscular junction, the receptor on the muscle to receive the signal from
the presynaptic neuron is a
(A) Voltage-gated channel
(B) ligand-gated channel for acetylcholine
(C) ligand-gated channel for epinephrine
(D) metabotropic receptors for acetylcholine
(E) metabotropic receptors for epinephrine
阿摩線上測驗
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