title: Regulation of rRNA metabolism in Tetrahymena pyriformis. II. Nutritional shift-up.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D001345:Autoradiography; D002466:Cell Nucleolus / Q000378:metabolism*; D003470:Culture Media / Q000494:pharmacology*; D008854:Microscopy, Electron; D012329:RNA, Bacterial / Q000378:metabolism; D012335:RNA, Ribosomal / Q000378:metabolism*; D013769:Tetrahymena pyriformis / Q000378:metabolism* / Q000648:ultrastructure
chemical_list: D003470:Culture Media; D012329:RNA, Bacterial; D012335:RNA, Ribosomal; D000255:Adenosine Triphosphate