<prompt> What is the function of DNA ligase?Unwinding denaturation of dsDNA to provide as 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>: DNA ligase Seals the single strand nick between the nascent chain and Okazaki fragments on lagging strandRef: Harpers Illustrated Biochemistry, 30th edition, page no: 382 