title: Modulation of ribosomal RNA synthesis in Oncopeltus fasciatus: an electron microscopic study of the relationship between changes in chromatin structure and transcriptional activity.
mesh_terms: D000367:Age Factors; D000818:Animals; D002843:Chromatin / Q000648:ultrastructure*; D005796:Genes; D006430:Hemiptera / Q000196:embryology*; D012335:RNA, Ribosomal / Q000096:biosynthesis / Q000235:genetics*; D014158:Transcription, Genetic
chemical_list: D002843:Chromatin; D012335:RNA, Ribosomal