title: Cytolocalization of ribosomal cistrons in plant polytene chromosomes.
mesh_terms: D001345:Autoradiography; D002466:Cell Nucleolus / Q000032:analysis*; D002843:Chromatin; D002852:Chromatography, Ion Exchange; D002875:Chromosomes / Q000032:analysis*; D004247:DNA; D006570:Heterochromatin; D006651:Histocytochemistry; D006652:Histological Techniques; D009693:Nucleic Acid Hybridization; D059828:Plant Cells; D012335:RNA, Ribosomal / Q000096:biosynthesis / Q000302:isolation & purification*; D012260:Ribonucleases; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D002843:Chromatin; D006570:Heterochromatin; D012335:RNA, Ribosomal; D014316:Tritium; D004247:DNA; D012260:Ribonucleases; D014529:Uridine