Nucleotide sequences at the 5'-linked ends of viral ribonucleic acids.

Bacteriophages/analysis Boron Compounds Centrifugation, Density Gradient Chemical Phenomena Chemistry Chromatography, Ion Exchange Electrophoresis Nucleotides/analysis Nucleotidyltransferases Phosphorus Isotopes Phosphotransferases RNA, Viral/analysis Ribonucleases Tobacco Mosaic Virus/analysis Tritium

Boron Compounds Nucleotides Phosphorus Isotopes RNA, Viral Tritium Phosphotransferases Nucleotidyltransferases Ribonucleases