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': 'Fatty acids used by all except - \nSelect and explain. \nA. Liver, B. Muscle, C. Brain, D. Kidney', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Brain o Fatty acids do not serve as fuel for the brain, because they are bound to albumin in plasma; hence cannot cross blood-brain barrier.", 'role': 'assistant'}]