<prompt> DNA repair proofreading in prokaryotes are caused byDNA Polymerase IDNA Polymerase IIDNA Polymerase IIIGyrase  <response>: The in vivo functionality of Pol II is under debate, yet consensus shows that Pol II is primarily involved as a backup enzyme in prokaryotic DNA replication.The enzyme has 5 - 3 DNA synthesis capability as well as 3 - 5 exonuclease proofreading activity.DNA Pol II interacts with multiple binding paners common with DNA Pol III in order to enhance its fidelity 