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': 'Which is not ketogenic \nSelect and explain. \nA. Leucine, B. Lysine, C. Methionine, D. Tryptophan', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c >d' i.e., Methionine > TryptophanLeucine and lysine are purely ketogenic.Trypotophan is not purely ketogenic, but it is ketogenic along with glucogenic. Methionine is purely glucogenic.", 'role': 'assistant'}]