Which of the following hormones does not contain a polypeptide

Options

A. Prostaglandin
B. Oxytocin
C. Insulin
D. Antidiuretic hormone

Answer

A

Explanation

Prostaglandin are lipid hormone made up of unsaturated carboxylic acids, consisting of a 20 carbon skeleton that also contains a five member ring and are derived from polyunsaturated fatty acid chain precursor arachidonic acid.