Acetylcholine Is a Neurotransmitter That Binds to Receptors on Skeletal

question 4

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

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