Correct option is D
restriction endonucleases are very specific in their function, once it finds it specific points in the sequence it binds to the DNA and cut each of the two strands of the double helix in the sugar phosphate backbone
restriction endonucleases are very specific in their function, once it finds it specific points in the sequence it binds to the DNA and cut each of the two strands of the double helix in the sugar phosphate backbone