title: Structure of branch points in replicating DNA: presence of single-stranded connections in lambda DNA branch points.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages; D004261:DNA Replication; D004279:DNA, Viral / Q000096:biosynthesis; D004926:Escherichia coli; D008722:Methods; D008854:Microscopy, Electron; D008956:Models, Chemical; D008961:Models, Structural; D013936:Thymidine; D014316:Tritium
chemical_list: D004279:DNA, Viral; D014316:Tritium; D013936:Thymidine