<prompt> What is the function of DNA ligase ?Unwinding denaturation of dsDNA to provide an ssDNA templateSeals the single strand nick between the nascent chain and Okazaki fragments on lagging strandInitiation of DNA synthesis and elongationInitiates synthesis of RNA primers  <response>: Ans. is b i.e., Seals the single strand nick between the ... ProteinFunctionDNA polymerasesDeoxynucieotide 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 