title: The structure of replicative lambda DNA--electron microscope studies.
mesh_terms: D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D003090:Coliphages / Q000032:analysis*; D004261:DNA Replication; D004269:DNA, Bacterial / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis* / Q000096:biosynthesis / Q000302:isolation & purification; D004926:Escherichia coli / Q000378:metabolism / Q000528:radiation effects; D008242:Lysogeny; D008854:Microscopy, Electron; D011830:Radiation Effects; D013936:Thymidine; D014316:Tritium
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D014316:Tritium; D013936:Thymidine