generation of the action potential on the sarcolemma occurs after
b. calcium ion bonds to chemically-gated ion channels on the sarcolemma
d. any of these can produce an action potential in the muscle cell
e. the action potential jumps across the neuromuscular junction
c. acetylcholinesterase is released from synaptic vesicles into the synaptic cleft
a. acetylcholine binds to nicotinic acetylcholine receptors on the motor end plate