<prompt> Which is the only prokaryotic DNA polymerase with 5-3 exonuclease activity?DNA Polymerase IDNA Polymerase IIDNA Polymerase IIIDNA Polymerase IV  <response>: DNA polymerase I 1st DNA polymerase discovered Only polymerase with 5-3 exonuclease activity. DNA polymerase I 5 - 3 polymerase Polymerisation 3 - 5 exonuclease Proofreading 5 - 3 exonuclease Removal of RNA primer, DNA repair, nick-translation 