The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which amino acid does not include post translational modification?   (A) Selenocystiene   (B) Triiodothyronine   (C) Hydroxy-proline   (D) Hydroxy-lysine
['(A) Selenocystiene <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Selenocystiene \n (B) Triiodothyronine \n (C) Hydroxy-proline \n (D) Hydroxy-lysine <> possible answers', '  Which amino acid does not include post translational modification? <> context@']