title: Origin of DNA and protein in lambda DNA infected disrupted cell preparations.
mesh_terms: D000643:Ammonium Chloride / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D003090:Coliphages; D004279:DNA, Viral / Q000096:biosynthesis*; D003903:Deuterium; D004926:Escherichia coli / Q000378:metabolism; D005615:Freezing; D009584:Nitrogen; D011868:Radioisotopes; D014764:Viral Proteins / Q000096:biosynthesis*
chemical_list: D004279:DNA, Viral; D011868:Radioisotopes; D014764:Viral Proteins; D000643:Ammonium Chloride; D003903:Deuterium; D009584:Nitrogen