title: The nucleolus in primary spermatocytes of Drosophila hydei.
mesh_terms: D000818:Animals; D002466:Cell Nucleolus / Q000187:drug effects; D002875:Chromosomes; D004247:DNA / Q000096:biosynthesis; D003609:Dactinomycin / Q000494:pharmacology; D004330:Drosophila / Q000166:cytology; D005796:Genes; D008297:Male; D008854:Microscopy, Electron; D009693:Nucleic Acid Hybridization; D012335:RNA, Ribosomal / Q000096:biosynthesis; D012730:Sex Chromosomes; D013094:Spermatozoa / Q000166:cytology*; D014158:Transcription, Genetic
chemical_list: D012335:RNA, Ribosomal; D003609:Dactinomycin; D004247:DNA