Each of the Following Hormones is an Amino Acid Derivative

Question

Each of the following hormones is an amino acid derivative EXCEPT one.Identify the exception.
A) epinephrine
B) norepinephrine
C) thyroid hormone
D) thyroid-stimulating hormone
E) melatonin

Accepted Answer

Thyroid-stimulating hormone (TSH) is not an amino acid derivative hormone. TSH is a glycoprotein hormone, meaning it is composed of protein and carbohydrate molecules. The other hormones listed are all derived from amino acids, either tyrosine or tryptophan.