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': 'The most impoant source of reducing equivalents for fatty acid synthesis in the liver is: \nSelect and explain. \nA. Glycolysis, B. TCA cycle, C. Uronic acid pathway, D. HMP pathway', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. HMP pathway', 'role': 'assistant'}]