Which of the following chemicals paralyzes skeletal muscle by binding to the acetylcholine receptor sites?
A)black widow spider venom
B)curare
C) organophosphates
D) DDT

Question

Quizplus · Accepted Answer

Curare is a plant-derived compound that blocks the acetylcholine receptor sites in skeletal muscle, leading to muscle paralysis. Black widow spider venom and organophosphates also affect the neuromuscular junction but their mechanism of action is different. DDT does not affect the neuromuscular junction.

Which of the Following Chemicals Paralyzes Skeletal Muscle by Binding