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': 'What is the function of single strand binding proteins (SSBs) during DNA replication \nSelect and explain. \nA. Relieves torsional strain, B. Deoxynucleotide polymerisation, C. Prevents premature reannealing of strands, D. Seals the nick between okazaki fragments', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Option a: Topoisomerases\nOption b: DNA polymerases\nOption d: DNA ligase.', 'role': 'assistant'}]