title: Isolation of the ribosomal RNA gene from Tetrahymena in the state of transcriptionally active chromatin.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D002843:Chromatin / Q000378:metabolism*; D004247:DNA / Q000378:metabolism*; D005815:Genetic Code; D012335:RNA, Ribosomal / Q000096:biosynthesis*; D013769:Tetrahymena pyriformis / Q000378:metabolism*; D014158:Transcription, Genetic
chemical_list: D002843:Chromatin; D012335:RNA, Ribosomal; D004247:DNA