Shoest peptide is:: (A) Angiotensin-I, (B) Vasopressin, (C) Angiotensin-II, (D) Angiotensin-III
Answer is D. Shoest peptide is Angiotensin-III Made up of 7 amino acids, formed from Angiotensin-II after the removal of an amino acid from N-terminal Angiotensin III has same efficacy as Angiotensin II for the secretion of aldosterone.