Home » An Enzyme that Joins the Ends of Two Strands of Nucleic Acid is Enzymology MCQs An Enzyme that Joins the Ends of Two Strands of Nucleic Acid is January 22, 2022 10 Views Q. An Enzyme that Joins the Ends of Two Strands of Nucleic Acid is: A. Polymerase B. ligase C. synthetase D. Helicase Answer: Ligase