Question
Biology Question on chemical coordination and integration
Which one of the following hormones is a modified amino acid ?
A
Progesterone
B
Prostaglandin
C
Estrogen
D
Epinephrine
Answer
Epinephrine
Explanation
Solution
Epinephrine and norepinephrine belong to a class of molecules known as catecholamines, which are modified amino acids originating from the amino acid tyrosine.