Biebricher, C K An RNA that multiplies indefinitely with DNA-dependent RNA polymerase: selection from a random copolymer. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Mar 1973 - 934-8 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.70.3.934 doi Subjects--Topical Terms: Adenosine Triphosphate--metabolismCarbon IsotopesCytosine Nucleotides--metabolismDNADNA-Directed RNA Polymerases--metabolismEscherichia coli--enzymologyInosine Nucleotides--metabolismManganese--pharmacologyNucleotides--analysisPhosphorus IsotopesRNA--analysisRibonucleases--metabolismTemplates, GeneticTritiumUracil Nucleotides--metabolism