Which enzyme joins sticky ends of DNA ? a. Restriction exonuclease b. EcoRI c. DNA ligase d. Oxidoreductase
Option C.DNA ligase is a DNA-joining enzyme. If two pieces of DNA have matching ends, ligase can link them to form a single, unbroken molecule of DNA. In DNA cloning, restriction enzymes and DNA ligase are used to insert genes and other pieces of DNA into plasmids.
