Biology · Human Physiology - Neuromuscular Junction
Order the sequence of events at a neuromuscular junction: (i) ACh diffuses across the synaptic cleft; (ii) Calcium channels open in the axon membrane; (iii) Vesicles fuse with the axon membrane; (iv) ACh binds to sarcolemma receptors.
- 1(ii), (i), (iii), (iv)
- 2(ii), (iii), (i), (iv)✓
- 3(i), (ii), (iii), (iv)
- 4(iii), (ii), (i), (iv)
Correct answer
(ii), (iii), (i), (iv)
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