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': 'Not a substrate for gluconeogenesis - \nSelect and explain. \nA. Glycerol, B. Leucine, C. Lactate, D. Propionate', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., LeucineSubstrates for gluconeognesis ?LactateAll amino acids except leucine and lysinePyruvate PropionateGlycerolIntermediates of citric acid cycleAlanine is the most impoant gluconeogenic amino acid.", 'role': 'assistant'}]