title: Electron microscopic study of the base sequence in nucleic acids. VI. Preparation of ribonucleic acid with marked gauanosine monophosphate nucleotides.
mesh_terms: D000227:Adenine Nucleotides / Q000032:analysis; D002501:Centrifugation, Zonal; D003090:Coliphages / Q000032:analysis*; D003597:Cytosine Nucleotides / Q000032:analysis; D004279:DNA, Viral; D003979:Diazonium Compounds; D004926:Escherichia coli; D006150:Guanine Nucleotides / Q000032:analysis*; D006863:Hydrogen-Ion Concentration; D008722:Methods; D008854:Microscopy, Electron; D008970:Molecular Weight; D012367:RNA, Viral / Q000032:analysis*; D013053:Spectrophotometry; D014500:Uracil Nucleotides / Q000032:analysis
chemical_list: D000227:Adenine Nucleotides; D003597:Cytosine Nucleotides; D004279:DNA, Viral; D003979:Diazonium Compounds; D006150:Guanine Nucleotides; D012367:RNA, Viral; D014500:Uracil Nucleotides