Concept Map: Events at the Neuromuscular Junction Periodic Table acetylcholine m

Question

Concept Map: Events at the Neuromuscular Junction Periodic Table acetylcholine molecules acetylcholine receptors action potentials on the are located on ? are primarily responsible for depolarization events at the muscle cell membrane called axon of a neuron axon terminals calcium ions end plate potentials motor end plate regions cause the opening of trigger exocytosis ofPart -when open, allow influx of Part C when open, allow the outflow of Part of sarcolemma potassium ions sodium ions voltage-gated calcium Part E Provid channels

Explanation / Answer

Answer

1. The action potential on the axon of a neuron causes the opening of voltage-gated calcium channels.

2. calcium ions enter the axon terminals and trigger the exocytosis of acetylcholine molecules

3. Binds to Acetylcholine receptors are located on the motor end plate region of the sarcolemma and open ion channels.

4. When ion channel open allows the influx of sodium ions and allows the outflow of potassium ions.

5. Ion movements are primarily responsible for depolarization events at muscle cell membrane called motor end plate potential.

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