(Solved): What role does the enzyme topoisomerase il have? It catalyzes crossing over of DNA strands to reliev ...

What role does the enzyme topoisomerase il have? It catalyzes crossing over of DNA strands to relieve the tension created in DNA when the DNA double helix is unravelled. It catalyzes the formation of protelive units at the end of chromosomes. It catalyzes the unwinding of the DNA double helix. It catalyzes the synthests of DNA.