Acetylcholine (ACh) Is Released by Motor Neurons and Binds to Receptors

question 64

Multiple Choice

Acetylcholine (ACh) is released by motor neurons and binds to receptors on muscle cells to initiate action potentials. Some snake venom contains specific toxins that bind irreversibly to these receptors and block acetylcholine's ability to bind. If an animal is bitten by a snake with these toxins in its venom, what do you predict would happen?

• A) The animal's muscle cells would increase production of myoglobin.
• B) The animal's muscles would contract uncontrollably.
• C) The animal's muscles would not be able to contract.
• D) The animal's muscle cells would show shrinkage in mitochondria.

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Definitions:

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The skill of using the hands and fingers to manipulate, move, control, or use objects effectively.

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