Which of the following statements about restriction enzymes is true?
Restriction enzymes can only cut bacterial DNA
Restriction enzymes are endonucleases which recognize a restriction site and cut DNA within or around this site
Reverse transcriptase is a DNA polymerase which creates new strands from 3’ to 5’
Restriction enzymes act at RNA mutation sites, to create a covalent bond which links two adjacent exons after an intron sequence is excised
None of these answers is true