This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: DNA Replication , Subject name: Biochemistry
[{'content': 'Function of Helicase is - \nSelect and explain. \nA. Reanneal ling of DNA, B. Unwinding of DNA, C. Synthesis of RNA primer, D. DNA polymerization', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 4b' i.e., Unwinding of DNA ProteinFunctionDNA polymerasesDeoxynucleotide polymerizationHelicasesProcessive unwinding of DNATopoisomerasesRelieve torsional strain that results from helicase-induced unwindingDNA primaseInitiates synthesis of RNA primersSingle-strand binding proteinsPrevent premature reannealling of dsDNADNA ligaseSeals the single strand nick between the nascent chain and Okazaki fragments on lagging strand", 'role': 'assistant'}]