1) In bacteria there are three types of DNA polymerases.
2)All the three DNA polymerases can add nucleotides in 5’-3’ direction.
3) DNA III polymerases can proofread the newly formed strand and can sense the wrong base insertions.
4) It deletes wrong base and correct the mistakes by putting the right base in.
5) It cannot correct the substitution of uracil in place of thymine.
6) It can repair the damage done to DNA by UV rays exposure.
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