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': 'Denaturation of double stranded DNA involves \nSelect and explain. \nA. It gets broken down to nucleotides, B. It becomes single stranded reversibly, C. It becomes single stranded irreversibly, D. It becomes double stranded irreversibly', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]