This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biosynthesis of Fatty Acids and Eicosanoids, Subject name: Biochemistry
[{'content': 'Site of fatty acid synthesis - \nSelect and explain. \nA. ER, B. Mitochondria, C. Cytosol, D. Microsoma', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Cytosol o Has been explained in previous years", 'role': 'assistant'}]