The following are multiple choice questions (with answers) about medical knowledge.   **Question:** One of the following is not an amino acid:   (A) Glycine   (B) Hydroxy proline   (C) Glutamic acid   (D) Choline
['(D) Choline <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Glycine \n (B) Hydroxy proline \n (C) Glutamic acid \n (D) Choline <> possible answers', '  One of the following is not an amino acid: <> context@']