This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fatty acid and synthesis, Subject name: Biochemistry
[{'content': 'Which of the following enzymes is the most impoant enzyme for regulating lipogenesis: \nSelect and explain. \nA. Hydratase, B. Acetyl-CoA carboxylase, C. Enoyl reductase, D. Acetyl transacetylase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Acetyl-CoA carboxylase Rate limiting enzyme of fatty acid synthesis. Activated by citrate Inhibited by Palmitoyl CoA. Conves Acetyl CoA to Malonyl CoA, Also uses Biotin as coenzyme and ATP. As ATP is used, name of enzyme is also Malonyl CoA Synthetase.', 'role': 'assistant'}]