When Acetylcholine Binds Its Receptor on the Surface of a Muscle

question 45

Multiple Choice

When acetylcholine binds its receptor on the surface of a muscle cell, which of the following happens next?

• A) G protein is activated.
• B) Tyrosine kinase is activated.
• C) Tyrosine is phosphorylated.
• D) A neurotransmitter crosses the synapse.
• E) A sodium gate opens.

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Definitions:

Anus

The opening at the end of the digestive tract through which waste material is expelled from the body.

Stomach Ulcer

A sore that develops on the lining of the stomach, often due to infection with H. pylori or prolonged use of nonsteroidal anti-inflammatory drugs.

Lining

Material that covers the inner surface of something, used for protection, insulation, or aesthetic purposes.

Stomach

An organ in the digestive system that secretes acid and enzymes to digest food.