Neutral sucrose sedimentation of very large DNA from Bacillus subtilis. I. Effect of random double-strand breaks and centrifuge speed on sedimentation.

Bacillus subtilis/analysis,cytology Carbon Isotopes Cell Fractionation Centrifugation, Density Gradient Cobalt Isotopes Coliphages/analysis DNA, Bacterial/analysis,isolation & purification,radiation effects DNA, Viral/analysis Dialysis Mathematics Molecular Weight Protoplasts/analysis Radiation Effects Sucrose Tritium

Carbon Isotopes Cobalt Isotopes DNA, Bacterial DNA, Viral Tritium Sucrose