This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
[{'content': 'Bend of DNA is made of which amino acid \nSelect and explain. \nA. Glycine, B. Alanine, C. Cysteine, D. Lysine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Glycine* Most abundant amino acid in bend/turn is proline > Glycine.* Since proline is NOT given in option, glycine is our next best choice.', 'role': 'assistant'}]