title: Pol I transcription: which comes first, the end or the beginning?
mesh_terms: D000818:Animals; D004275:DNA, Ribosomal / Q000235:genetics; D009694:Nucleic Acid Precursors / Q000235:genetics; D011401:Promoter Regions, Genetic; D012318:RNA Polymerase I / Q000378:metabolism*; D012322:RNA Precursors; D012335:RNA, Ribosomal / Q000235:genetics*; D013728:Terminator Regions, Genetic; D014158:Transcription, Genetic
chemical_list: D004275:DNA, Ribosomal; D009694:Nucleic Acid Precursors; D012322:RNA Precursors; D012335:RNA, Ribosomal; D012318:RNA Polymerase I