title: The primary ribosomal DNA transcript in eukaryotes.
mesh_terms: D000818:Animals; D001483:Base Sequence; D002874:Chromosome Mapping; D004247:DNA / Q000378:metabolism*; D004926:Escherichia coli / Q000378:metabolism; D007700:Kinetics; D008854:Microscopy, Electron; D008970:Molecular Weight; D009492:Neurospora crassa / Q000378:metabolism; D009693:Nucleic Acid Hybridization; D012335:RNA, Ribosomal / Q000096:biosynthesis / Q000378:metabolism; D012270:Ribosomes / Q000378:metabolism*; D013045:Species Specificity; D014158:Transcription, Genetic; D014319:Triturus; D014981:Xenopus
chemical_list: D012335:RNA, Ribosomal; D004247:DNA