A study o DNA, partially denatured DNA and protein-DNA complexes in the polyethyleneglycol-dextran phase system.

Buffers Carbon Isotopes Centrifugation, Density Gradient Chemical Phenomena Chemistry, Physical Chymotrypsin Coliphages DNA, Bacterial DNA, Viral Dextrans Escherichia coli Glycols Hot Temperature Nucleic Acid Denaturation Phosphorus Isotopes Polyomavirus RNA Nucleotidyltransferases Tritium

Buffers Carbon Isotopes DNA, Bacterial DNA, Viral Dextrans Glycols Phosphorus Isotopes Tritium RNA Nucleotidyltransferases Chymotrypsin