RNA polymerase I RNA polymerase I RNA polymerase I en:RNA_polymerase_I RNA polymerase I RNA polymerase I RNA polymerase I RNA Polymerase I Pol I [en] [en] English RNA polymerase I (Pol I) RNA Polymerase I RNA polymerase I [en] [en] RNA polymerase I RNA polymerase I RNA polymerase I RNA polymerase I RNA polymerase I RNA polymerase I [en] [en] RNA polymerase I RNA polymerase I English RNA polymerase I RNA polymerase I RNA polymerase I RNA polymerase I RNA polymerase I RNA polymerase I [en] [en]