title: Transcription of Xenopus borealis rRNA genes in nuclei of Xenopus laevis oocytes.
mesh_terms: D000818:Animals; D010957:Plasmids; D012335:RNA, Ribosomal / Q000378:metabolism*; D014158:Transcription, Genetic; D014981:Xenopus / Q000196:embryology / Q000235:genetics*; D014982:Xenopus laevis / Q000235:genetics
chemical_list: D012335:RNA, Ribosomal