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Tamara’s muscle weakness and fatigue becomes progressively worse over the course of the day. This is a hallmark sign of myasthenia gravis, an autoimmune disorder that affects the ability of a motor neuron to communicate with a muscle fiber. What synaptic events must happen first for excitation to occur?

Respuesta :

Answer: Acetylcholine is released from the axon terminal and diffuses across the synapse to link to a receptor in the surface of the motor end plate.

Explanation:

Sinapsis in biology is a structure in which a neuron cell communicates with another using an electric or chemical sign.

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