title: Localization and characterization of the ribosomal RNA cistrons in Sciara coprophila.
mesh_terms: D000818:Animals; D001001:Anura; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D046508:Culture Techniques; D004247:DNA / Q000302:isolation & purification; D004175:Diptera; D005815:Genetic Code; D006824:Hybridization, Genetic; D051379:Mice; D008967:Molecular Biology; D009154:Mutation; D009693:Nucleic Acid Hybridization; D012313:RNA / Q000302:isolation & purification*; D012335:RNA, Ribosomal / Q000302:isolation & purification; D012270:Ribosomes; D012469:Salivary Glands; D012728:Sex Chromatin; D012730:Sex Chromosomes; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D012335:RNA, Ribosomal; D014316:Tritium; D012313:RNA; D004247:DNA; D013936:Thymidine; D014529:Uridine