title: mRNA turnover studies applying labeled uridine require an evaluation of specific radioactivities of UTP and RNA-U.
mesh_terms: D002854:Chromatography, Paper; D003597:Cytosine Nucleotides / Q000378:metabolism; D004590:Electrophoresis, Paper; D006367:HeLa Cells / Q000166:cytology / Q000378:metabolism; D006801:Humans; D007553:Isotope Labeling; D007700:Kinetics; D011132:Polyribosomes / Q000378:metabolism; D012313:RNA / Q000032:analysis / Q000096:biosynthesis / Q000378:metabolism*; D012333:RNA, Messenger / Q000096:biosynthesis / Q000378:metabolism*; D012335:RNA, Ribosomal / Q000096:biosynthesis / Q000378:metabolism; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors; D014316:Tritium; D014500:Uracil Nucleotides / Q000096:biosynthesis / Q000378:metabolism*; D014529:Uridine / Q000378:metabolism*
chemical_list: D003597:Cytosine Nucleotides; D012333:RNA, Messenger; D012335:RNA, Ribosomal; D014500:Uracil Nucleotides; D014316:Tritium; D012313:RNA; D014529:Uridine