title: Transcription of T3 and T7 early genes by T3 and T7 RNA polymerases.
mesh_terms: D003090:Coliphages / Q000201:enzymology*; D012321:DNA-Directed RNA Polymerases; D005827:Genetics, Microbial; D008025:Ligases / Q000096:biosynthesis; D008967:Molecular Biology; D009113:Muramidase / Q000096:biosynthesis; D012367:RNA, Viral / Q000096:biosynthesis; D014158:Transcription, Genetic
chemical_list: D012367:RNA, Viral; D012321:DNA-Directed RNA Polymerases; D009113:Muramidase; D008025:Ligases