Insulin production and its action in human body are responsible for the level of diabetes. This compound belongs to which of the following categories?

Biomolecules PYQ — JEE Main 2004 · Shift 0 · Q20 with Solution

View written solutionFree

Correct answer: D

Identify what insulin is

Insulin is a biochemical substance produced in the human body by the pancreas.
Recall its biological role

Its main function is to regulate the level of glucose in blood. Since diabetes is related to improper insulin production or action, insulin acts as a chemical messenger controlling metabolism.
Classify insulin

A chemical messenger produced in one part of the body and acting on target tissues is called a hormone.
Check the options
- A: A co-enzyme — Incorrect. Co-enzymes assist enzymes in reactions.
- B: An antibiotic — Incorrect. Antibiotics kill or inhibit microorganisms.
- C: An enzyme — Incorrect. Enzymes catalyze biochemical reactions.
- D: A hormone — Correct. Insulin is a peptide hormone.
Final answer

Therefore, insulin belongs to the category of hormones.