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 end product of cytosol fatty acid synthetase in humans is \nSelect and explain. \nA. Oleic acid, B. Arachidonic acid, C. Linoleic acid, D. Palmitic acid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ahnitic acid\xa0\nIn fatty acid synthesis\n1.Primary substrate\xa0\xa0\xa0\xa0\xa0\xa0\xa0 → \xa0\xa0Glucose\n2. Immediate substrate \xa0 → \xa0 Acetyl-CoA\n3. End product\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 →\xa0\xa0Palmitate (Palmitic acid)', 'role': 'assistant'}]