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The 1913 Underwood-Simmons Tariff
Amine Neurotransmitters
Neurotransmitters derived from amino acids that play significant roles in mood regulation, alertness, and the neuronal communication, including dopamine, norepinephrine, and serotonin.
L-dopa
L-dopa is a chemical precursor to dopamine, used as a medication primarily for the treatment of Parkinson's disease and dopamine-responsive dystonias.
Tyrosine
An amino acid that serves as a precursor to several important neurotransmitters, including dopamine, norepinephrine, and epinephrine.
Metabotropic Receptor
Embedded membrane protein with a binding site for a neurotransmitter linked to a G protein; can affect other receptors or act with second messengers to affect other cellular processes, including opening a pore.
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