The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following change can be done in insulin structure so that there is least change in the function of insulin:   (A) Interchange of A1 & A4   (B) Interchange of B29 and B30   (C) Interchange of A5 & A6   (D) Breaking disulphide linkages
['(B) Interchange of B29 and B30 <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Interchange of A1 & A4 \n (B) Interchange of B29 and B30 \n (C) Interchange of A5 & A6 \n (D) Breaking disulphide linkages <> possible answers', '  Which of the following change can be done in insulin structure so that there is least change in the function of insulin: <> context@']