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 genetic defect in Refsum's disease lies in \nSelect and explain. \nA. Alpha oxidation of fatty acids, B. LDL receptors, C. Fatty acid synthase complex, D. Recognition of apo A1", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]