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: Medicine
Zellwenger syndrome, defect is in- 
Select and explain. 
A. Endoplasmic reticulum, B. Lysosome, C. Mitochondria, D. Peroxisorne
D: Peroxisorne
Answer: D: Peroxisorne 
Explanation: None