You are examining an organism recently found on Mars and are currently trying to identify one of its neurotransmitters. Biochemical characterization indicates that it is a derivative of the amino acid tyrosine,

so you classify the novel neurotransmitter as a(n)
A) acetylcholine analogue.
B) catecholamine.
C) neuropeptide.
D) serotonin analogue.
E) GABA analogue.


Answer: B

Biology & Microbiology

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