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: Microbiology
[{'content': 'All of the following are true about cold sterilization except \nSelect and explain. \nA. It causes breakage of DNA without temperature rise, B. It includes x-rays,gamma rays and cosmic rays, C. It destroys spores,Vegetative cells and viruses, D. It is used for sterilization of catgut sutures, bone and tissue grafts', 'role': 'user'}, {'content': 'Answer: C \nExplanation: It destroys spores and vegetative cells but not effective against viruses.', 'role': 'assistant'}]