Inhibition of acetylcholine release
Inhibition of noradrenaline release
Answer- C. Inhibition of acetylcholine release
*Botulinum toxin acts by binding presynaptically to high-affinity recognition sites on the cholinergic nerve terminals and decreasing the release of acetylcholine, causing a neuromuscular blocking effect. This mechanism laid the foundation for the development of the toxin as a therapeutic tool.