This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Most basic amino acid among the following is: \nSelect and explain. \nA. Alanine, B. Arginine, C. Histidine, D. Lysine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Acidic Amino Acid\n\nAspartic Acid (Aspartate)\nGlutamic Acid (Glutamate)\n\nBasic Amino Acid\n\nArginine (Most Basic Amino acid)\nLysine', 'role': 'assistant'}]