title: Structural comparison of 37-S and 32-S ribosomal precursor RNA in yeast with the mature ribosomal RNA components.
mesh_terms: D001483:Base Sequence; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D004590:Electrophoresis, Paper; D008745:Methylation; D009841:Oligonucleotides / Q000096:biosynthesis; D012335:RNA, Ribosomal / Q000096:biosynthesis*; D012440:Saccharomyces / Q000166:cytology / Q000378:metabolism*; D013997:Time Factors; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D009841:Oligonucleotides; D012335:RNA, Ribosomal; D014316:Tritium