This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Structure and function of protein, Subject name: Biochemistry
[{'content': 'Amide-containing amino acid \nSelect and explain. \nA. Alanine, B. Leucine, C. Asparagine, D. Serine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Anhydrous NH3 may replace alcohol from its combination with an amino acid in an amino acid ester so that an amide of amino acid and a molecule of free alcohol is produced. Asparagine is the amide formed from Aspaic acid.Ref: Textbook of medical biochemistry, MN Chatterji, 8th edition, page no: 80', 'role': 'assistant'}]