Hormones Known as "Catecholamines" Are

Question

Hormones known as "catecholamines" are
A) lipids.
B) peptides.
C) steroids.
D) derivatives of the amino acid tyrosine.
E) derivatives of reproductive glands.

Accepted Answer

Catecholamines, such as epinephrine and norepinephrine, are derived from the amino acid tyrosine. They are not lipids, peptides, steroids, or derivatives of reproductive glands.