This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Classification and metabolism of amino acids, Subject name: Biochemistry
[{'content': 'Which of the following is polar amino acid - \nSelect and explain. \nA. Tryptophan, B. Methionine, C. Glutamic acid, D. Isoleucine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Glutamate/ glutamic acid is a negatively charged or acidic amino acid. Rest all are non-polar in the options Note:-Go through treasure for list of polar and non polar amino acids', 'role': 'assistant'}]