Separation of rapidly labeled intermediates of DNA synthesis in mammalian cells.

Animals Carbon Radioisotopes Cattle Centrifugation, Density Gradient Centrifugation, Zonal Cesium DNA/biosynthesis,isolation & purification DNA, Single-Stranded Isotope Labeling Liver/cytology Methods Sucrose Thymidine/metabolism Time Factors Tritium

Carbon Radioisotopes DNA, Single-Stranded Tritium Cesium Sucrose DNA Thymidine