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 organ does not utilise ketone bodies \nSelect and explain. \nA. Liver, B. Brain, C. Skeletal muscles, D. Cardiac muscles', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Liver\n\nKetone bodies are synthesized by the liver and are utilized by extrahepatic tissues like heart, muscles, renal cortex and brain (in starvation).\nLiver cannot utilize ketone bodies because it lacks enzyme succinyl-CoA-acetoacetate CoA transferase, which is required for the activation of ketone bodies.', 'role': 'assistant'}]