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': 'Glucose can be synthesised from all of the following, EXCEPT: \nSelect and explain. \nA. Lactic acid, B. Aminoacid, C. Acetoacetate, D. Glycerol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ketone body cannot synthesize glucose because the conversion of acetyl coA to pyruvate is irreversible. Glucose can be synthesised by Lactic acid, glycerol & gluconeogenic amino acid.', 'role': 'assistant'}]