Localization of polyadenylic acid sequences in messenger ribonucleic acid of mammalian cells.

Adenine Nucleotides/analysis Adenosine/metabolism Animals Base Sequence Carbon Isotopes Carcinoma, Ehrlich Tumor/enzymology Centrifugation, Density Gradient Chromatography, Ion Exchange Electrophoresis HeLa Cells/analysis,metabolism Kinetics L Cells/analysis Phosphorus Isotopes Polynucleotides/analysis RNA, Messenger/analysis,biosynthesis RNA, Neoplasm/analysis Ribonucleases/isolation & purification Ribonucleotides/analysis Tritium Uridine

Adenine Nucleotides Carbon Isotopes Phosphorus Isotopes Polynucleotides RNA, Messenger RNA, Neoplasm Ribonucleotides Tritium Ribonucleases Adenosine Uridine