title: The reversible chemical modification of uracil, thymine, and guanine nucleotides and the modification of the action of ribonuclease on ribonucleic acid.
mesh_terms: D002384:Catalysis; D002482:Cellulose; D002852:Chromatography, Ion Exchange; D006150:Guanine Nucleotides; D007094:Imides; D008722:Methods; D008961:Models, Structural; D009025:Morpholines; D009711:Nucleotides; D010179:Pancreas / Q000201:enzymology; D012313:RNA; D012260:Ribonucleases; D013053:Spectrophotometry; D013451:Sulfonic Acids; D014500:Uracil Nucleotides
chemical_list: D006150:Guanine Nucleotides; D007094:Imides; D009025:Morpholines; D009711:Nucleotides; D013451:Sulfonic Acids; D014500:Uracil Nucleotides; D012313:RNA; D002482:Cellulose; D012260:Ribonucleases