Answer :

Acetylcholine diffuses across the synaptic cleft at the neuromuscular junction after it binds to ligand-gated channels on the sarcolemma.

What is sarcolemma?

The sarcolemma refers to the plasma membrane found in muscular cells which may suffer changes in the potential of the membrane to release neurotransmitters in response to stimuli from the environment, while the muscular junctions refers to the association between a particular motor nerve neuron and the muscle cell.

Therefore, with this data, we can see that the sarcolemma is a structure excitable by neurotransmitters, which occurs in the muscular junction.

Learn more about  the sarcolemma in the muscular junctions here:

https://brainly.com/question/12904484

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