title: Studies on Escherichia coli sex factors. II. Some physical properties of F'Lac and F DNA.
mesh_terms: D001433:Bacteriolysis; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002845:Chromatography; D002876:Chromosomes, Bacterial; D003090:Coliphages; D004269:DNA, Bacterial / Q000032:analysis; D003720:Densitometry; D004926:Escherichia coli; D005782:Gels; D005796:Genes; D005827:Genetics, Microbial; D008970:Molecular Weight; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D004269:DNA, Bacterial; D005782:Gels; D014316:Tritium