This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins bonds and structure, Subject name: Biochemistry
[{'content': 'Shoest peptide is: \nSelect and explain. \nA. Angiotensin-I, B. Vasopressin, C. Angiotensin-II, D. Angiotensin-III', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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.', 'role': 'assistant'}]