Examlex
Which of the following statements is false?
Acetylcholine
A neurotransmitter involved in many functions including muscle movement and memory.
Curare
A toxic plant extract used traditionally as an arrow poison and medically to relax muscles during surgery.
Antagonist
A substance that blocks or dampens the action of a neurotransmitter or hormone, or a character in a story who opposes the protagonist, creating conflict.
Agonist
An agonist is a chemical or drug that binds to receptors in the body and activates them to produce a biological response.
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