Mutations

ID #1239

Is it true that you said DNA polymerase I has 5' to 3' prime exonuclease activity AND 3' to 5' prime exonuclease activity or is it just DNA polymerase III that has 3' to 5' prime exonuclease activity?


DNA polymerase I and DNA polymerase III both have the ability to do proofreading (3'-5' exo), but only DNA polymerase I has the ability to do primer removal (5'-3' exo).

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