Acetylcholine Is a Neurotransmitter That Binds to Receptors on Skeletal

question 36

Multiple Choice

Acetylcholine is a neurotransmitter that binds to receptors on skeletal muscle cells. The receptor- signal complex brings about a series of events that result in contraction of skeletal muscle. Venom from black widow spiders causes an explosive release of acetylcholine. What would that do to its victims?

• A) Muscles would be unable to relax.
• B) Cell receptors would no longer be able to bind regulatory hormones.
• C) G- protein receptors would all be inactivated.
• D) Muscles would be unable to contract.

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