title: Nature of the ribonucleic acid formed prior to deoxyribonucleic acid synthesis in kidney cortex cells cultured directly from the rabbit.
mesh_terms: D002467:Cell Nucleus / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D003593:Cytoplasm / Q000378:metabolism; D004261:DNA Replication; D003609:Dactinomycin / Q000494:pharmacology
chemical_list: D003609:Dactinomycin