12.1.1 Synthesis of bacterial transcripts 200 400 600 800 1000 1200 C 492515 13083239 951y10651230 1243 Lys 1306 Non-template strand upstream DNA 00 downstream DNA 5b000000050d 939Q9999999 Template strand A DNA RNA hybrid (9bp) Region enclosed by the polymerase 29102130 330400466 109511891260 C 200 400 600 800 1000 1200 140012.1.1 Synthesis of bacterial transcripts