Question

The chemical nature of hormones secreted by $\alpha$ and $\delta$ cells of pancreas is

• A. Glycolipid
• B. Glycoprotein
• C. Steroid
• D. Polypeptide

Answer 1

Answer: (D)

Polypeptide

Hormones produced by $\alpha$ cells (glucagon) and $\beta$ cells (somatostatin) of the pancreas are polypeptides. while the alpha cells secrete glucagon which is made of 29 amino acids, the delta cells secrete the somatostatin which is made of 28 amino acids. (Two forms of somatostatin exists 14 amino acid SST is produced by predominantly by hypothalamus). Thus, the correct answer is option D.