Question

A neuromuscular junction is a junction between a_________ and a ___________. A neuromuscular junction is a junction between a_________ and a ___________. dendrite of an axon; skeletal muscle fiber bulbous end of axon; skeletal muscle fiber sarcoplasm; T-tubule dendrite of an axon; myofibril bulbous end of axon; cell body of axon

Answer 1

myofibril bulbous end of axon and skeletal muscles fibres.

Explanation:o

It represents the chemical synapse of the axon bulbous ends of the motor neuron ( motor end plate) and the skeletal Muscle fibres.

The influx of calcium ions into the bulbous ends leads to the fusion and empty of the vesicles containing neurotransmitters into the synaptic cleft.

The Neurotransmitters binds to the receptors on the muscles membrane to allow the transmission of action potential ( PSIP or PSEP)across the synaptic gap to the muscles fibers to initiate their contraction or relaxation.