Question

Which one of the following hormones is a modified amino acid?

• A. Epinephrine
• B. Progesterone
• C. Prostaglandin
• D. Estrogen

Answer 1

The correct option is A Epinephrine

A. Epinephrine, also known as adrenaline, is secreted from adrenal medulla. It is also called catecholamine and is derived from the modified amino acid tyrosine.

B. Progesterone is also called pregnancy hormone and is secreted from ovary and corpus luteum of Graafian follicle.

C. Prostaglandins are the lipid compounds that have hormones like effect.

D. Estrogen is a primary female sex hormone which is involved in the development of female reproductive system and also secondary sex characters.

So, the correct answer is 'Epinephrine'.