NEET 2016 Phase 2 · BiologyPrevious Year Question
Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilization.
Answer: (A) Insulin. Answer: (a) Insulin Solution: Insulin is a peptide hormone secreted by the β-cells of the Islets of Langerhans.
- A.Insulin✓
- B.Glucagon
- C.Secretin
- D.Gastrin
Correct Answer
(A) Insulin
Solution & Explanation
Answer: (a) Insulin Solution: Insulin is a peptide hormone secreted by the β-cells of the Islets of Langerhans. It acts mainly on hepatocytes and adipocytes and enhances cellular glucose uptake and utilisation, lowering blood glucose. Glucagon, in contrast, reduces glucose uptake, while secretin and gastrin are gut hormones unrelated to this action. NCERT Reference: Chapter 19, Page 245, Line(s) 42-44 — "Insulin is a peptide hormone... Insulin acts mainly on hepatocytes and adipocytes (cells of adipose tissue), and enhances cellular glucose"
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