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': 'Zellweger syndrome is due to \nSelect and explain. \nA. Absence of peroxisome, B. Absence of cytochrome, C. Absence of COX, D. Absence of LOX', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Zellweger syndrome is due to absence of peroxisomes in all most all tissues, as a result of which long chain fatty acids are not oxidized and accumulated in live and brain. So this syndrome is also called as cerebrohepatorenal syndrome.', 'role': 'assistant'}]