title: Occurrence of a DNA component in preparations of Escherichia coli ribosomes.
mesh_terms: D001483:Base Sequence; D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D004269:DNA, Bacterial / Q000032:analysis / Q000302:isolation & purification* / Q000378:metabolism; D003851:Deoxyribonucleases / Q000378:metabolism; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000032:analysis* / Q000166:cytology; D008970:Molecular Weight; D010759:Phosphorus Isotopes; D012270:Ribosomes / Q000032:analysis*; D014316:Tritium
chemical_list: D004269:DNA, Bacterial; D010759:Phosphorus Isotopes; D014316:Tritium; D003851:Deoxyribonucleases