title: The reversible chemical modification of valine transfer ribonucleic acid I from Torulopsis with a radioactive carbodiimide.
mesh_terms: D001483:Base Sequence; D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002621:Chemistry; D002848:Chromatography, DEAE-Cellulose; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D003454:Cryptococcus / Q000032:analysis / Q000378:metabolism*; D003510:Cyclohexanes / Q000494:pharmacology; D007094:Imides / Q000494:pharmacology*; D009025:Morpholines / Q000494:pharmacology*; D011119:Polynucleotides / Q000032:analysis; D012343:RNA, Transfer / Q000302:isolation & purification*; D013053:Spectrophotometry; D014316:Tritium; D014466:Ultraviolet Rays; D014633:Valine / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D003510:Cyclohexanes; D007094:Imides; D009025:Morpholines; D011119:Polynucleotides; D014316:Tritium; D012343:RNA, Transfer; D014633:Valine