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
What is the function of single strand binding proteins (SSBs) during DNA replication 
Select and explain. 
A. Relieves torsional strain, B. Deoxynucleotide polymerisation, C. Prevents premature reannealing of strands, D. Seals the nick between okazaki fragments
C: Prevents premature reannealing of strands
Answer: C: Prevents premature reannealing of strands 
Explanation: Option a: Topoisomerases
Option b: DNA polymerases
Option d: DNA ligase.