Electron microscopy of superhelical circular lambda DNA.
D002474:Cell-Free System; D003090:Coliphages / Q000166:cytology*; D004279:DNA, Viral / Q000032:analysis*; D003720:Densitometry; D003956:Dialysis; D006982:Hypertonic Solutions; D007038:Hypotonic Solutions; D008722:Methods; D008854:Microscopy, Electron; D013395:Sucrose; D014316:Tritium; D014461:Ultracentrifugation
D004279:DNA, Viral; D006982:Hypertonic Solutions; D007038:Hypotonic Solutions; D014316:Tritium; D013395:Sucrose