This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Which of the following is toxic to parasite - 
Select and explain. 
A. Peroxidase, B. Interferon, C. IL-2, D. IL-6
A: Peroxidase
Answer: A: Peroxidase 
Explanation: peroxidase is toxic to parasites