Unintegrated murine leukemia viral DNA in newly infected cells.

Animals Base Sequence Cell Fractionation Cell-Free System Cells, Cultured Centrifugation, Density Gradient DNA, Single-Stranded/biosynthesis DNA, Viral/analysis,biosynthesis,isolation & purification Dactinomycin/pharmacology Fibroblasts Mice Mice, Inbred BALB C Molecular Weight RNA, Viral RNA-Directed DNA Polymerase/metabolism Rauscher Virus/analysis,enzymology,growth & development Transcription, Genetic Tritium

DNA, Single-Stranded DNA, Viral RNA, Viral Tritium Dactinomycin RNA-Directed DNA Polymerase