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': 'Acetyl CoA carboxylase is rate limiting enzyme of \nSelect and explain. \nA. Cholesterole synthesis, B. Fatty acid synthesis, C. Urea synthesis, D. Gluconeogenesis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Some rate limiting enzymes', 'role': 'assistant'}]