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rjkz [21]
3 years ago
15

Acetylcholine binds to its receptor in the sarcolemma and triggers __________.

Chemistry
1 answer:
gladu [14]3 years ago
6 0

Answer:

b. The opening of ligand-gated cation channels

Step-by-step explanation:

When an acetylcholine ligand molecule binds to its receptor in the sarcolemma, it triggers a conformational change.

A "gate" in the receptor opens and allows Na⁺ ions to pass through a channel into the muscle fibre.

Hence the term ligand-gated cation channel.

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I think this because this is an example of an exothermic reaction is the chemical reaction between sodium and chlorine, which results in the formation of sodium chloride (also known as common salt)

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