title: Physical characterization of DNA from bacteriophage SP 3 .
mesh_terms: D001412:Bacillus subtilis; D001435:Bacteriophages / Q000032:analysis*; D002499:Centrifugation, Density Gradient; D002627:Chemistry, Physical / Q000295:instrumentation; D003090:Coliphages / Q000032:analysis; D003597:Cytosine Nucleotides / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis* / Q000302:isolation & purification; D003851:Deoxyribonucleases; D004926:Escherichia coli; D006150:Guanine Nucleotides / Q000032:analysis; D008433:Mathematics; D008854:Microscopy, Electron; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D014461:Ultracentrifugation; D014783:Viscosity
chemical_list: D003597:Cytosine Nucleotides; D004279:DNA, Viral; D006150:Guanine Nucleotides; D003851:Deoxyribonucleases