Question 25 / 30:  What happens at the NMJ after synaptic vesicles fuse with the motor end plate?
A  Impulse travels T-tubules and sarcoplasmic reticulum
B  Acetylcholine released via process of exocytosis.
C  Acetylcholine binds with receptor sites on motor end plate, causing depolarization of motor
end plate and sarcolemma.
D  Calcium ions bind to troponin.
E  Binding of myosin to actin changes conformation of the myosin head, resulting in release of
ADP and Pi.
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ZOOL113 Muscular System

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