Examlex
Which of the following molecules has the lowest boiling point?
Acetylcholine
A neurotransmitter in the nervous system that plays an important role in muscle activation and memory functions.
Neurotransmitter
A neurotransmitter is a chemical substance that transmits nerve impulses across a synapse from one neuron to another.
Serotonin
A neurotransmitter that plays a key role in mood regulation, appetite, sleep, and other functions of the body.
Botulin
A highly toxic protein produced by the bacterium Clostridium botulinum, causing botulism.
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