What effect does the botulinum toxin have on the neuromuscular junction?
it escalates the release of the acetylcholine
It prevents the release of the acetylcholine
it blocks the postsynaptic receptors
it escalates the function of the acetylcholinesterase
Botulinum toxin is a neurotoxic protein that prevents the release of the neurotransmitter acetylcholine from axon endings at the neuromuscular junction and thus causes flaccid paralysis. Although it is the most acutely lethal toxin known, it is used commercially in medicine, cosmetics and research.
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