60ᵗʰ to 62ⁿᵈ B.P.S.C. (Pre) 2016
Insulin is :
aFat
bVitamin
cCarbohydrate
dProtein✓ Correct
eNone of the above/More than one of the above
Explanation
Insulin is an animal hormone secreted by the beta cells of the islets of Langerhans in the endocrine part of the pancreas. From the viewpoint of chemical structure, it is a small peptide (protein) composed of 51 amino acids. It regulates glucose metabolism in the body and converts glucose into glycogen.
general-science