title: Studies on nucleolar RNA synthesis in Drosophila melanogaster. I. The relationship between number of nucleolar organizers and rate of synthesis.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002466:Cell Nucleolus / Q000378:metabolism*; D004331:Drosophila melanogaster / Q000378:metabolism*; D005260:Female; D007700:Kinetics; D008297:Male; D009474:Neurons; D012313:RNA / Q000096:biosynthesis*; D012730:Sex Chromosomes; D014158:Transcription, Genetic; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D014316:Tritium; D012313:RNA; D014529:Uridine