Serotonin is synthesized from
A) tyrosine.
B) tyramine.
C) tryptophan.
D) MAO.
E) epinephrine.
Question 2
The autoreceptor for norepinephrine in brain is of the ________ adrenergic receptor subtype.
A) 1
B) 1
C) 2
D) 2
E) All of the above are correct.