Centrifugation, Density GradientCesiumNucleic Acid RenaturationMolecular WeightCentrifugationMicroscopy, ElectronNucleic Acid DenaturationTritiumCell FractionationCentrifugation, IsopycnicDNA, ViralProteoglycansCentrifugation, ZonalDNA ReplicationCell LineDNA, BacterialDNAEscherichia coliNucleic Acid HybridizationPovidoneCell SeparationElectrophoresis, Polyacrylamide GelSubcellular FractionsMetrizamideCell MembraneChloridesKineticsUltracentrifugationChromatography, GelAmino AcidsTriiodobenzoic AcidsSucroseOrganoidsMacromolecular SubstancesDetergentsCattleSilicon DioxideLiverSolubilitySpermatozoaOctoxynolRabbitsChromatographyFiltrationPhosphorus IsotopesElectrophoresisHydrogen-Ion ConcentrationMethodsNucleotidasesLysosomesChromomycin A3Cells, CulturedChromatography, DEAE-CelluloseDensitometryUrate OxidaseCytoplasmic GranulesMembrane ProteinsMicrobodiesRats, Inbred StrainsMolecular Sequence DataMembranes