The P22 bacteriophage DNA molecule. II. Circular intracellular forms.

Alkalies Centrifugation, Density Gradient Centrifugation, Zonal DNA, Viral/analysis,biosynthesis,isolation & purification Deoxyribonucleases Formaldehyde Hydrogen-Ion Concentration Kinetics Lysogeny Microscopy, Electron Models, Structural Nucleic Acid Denaturation Nucleic Acid Renaturation Peptides, Cyclic/analysis Salmonella Phages/isolation & purification Salmonella typhimurium Temperature Thymidine Time Factors Tritium

Alkalies DNA, Viral Peptides, Cyclic Tritium Formaldehyde Deoxyribonucleases Thymidine