title: DNA structure and transcription.
mesh_terms: D003090:Coliphages / Q000235:genetics*; D004278:DNA, Superhelical / Q000235:genetics*; D004279:DNA, Viral / Q000235:genetics*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D009690:Nucleic Acid Conformation; D013379:Substrate Specificity; D013698:Templates, Genetic; D014158:Transcription, Genetic
chemical_list: D004278:DNA, Superhelical; D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases