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Biology

2 answers:

Svetach [21]3 years ago

6 0

When a nerve impulse reaches the end of an axon, the axon terminal released ACh into the synaptic cleft. 2. ACh diffuses across the cleft and attaches to the ACh receptors on the sarcolemma of the muscle fiber. 3. ACh binding triggers electrical events that ultimately generate an action potential.

zalisa [80]3 years ago

6 0

A. the chemical signal is released.

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