title: Nucleolar activity and RNA metabolism in previtellogenic and vitellogenic oocytes of Xenopus laevis. A biochemical and autoradiographical, light and EM study.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002466:Cell Nucleolus / Q000378:metabolism / Q000648:ultrastructure; D002467:Cell Nucleus / Q000378:metabolism; D002875:Chromosomes / Q000378:metabolism; D005260:Female; D009865:Oocytes / Q000378:metabolism* / Q000648:ultrastructure; D010063:Ovum / Q000378:metabolism*; D012313:RNA / Q000378:metabolism*; D012335:RNA, Ribosomal / Q000096:biosynthesis / Q000378:metabolism; D012270:Ribosomes / Q000648:ultrastructure; D014529:Uridine / Q000378:metabolism; D014981:Xenopus
chemical_list: D012335:RNA, Ribosomal; D012313:RNA; D014529:Uridine