title: The synthesis of a discrete high-molecular-weight ribonucleic acid species by isolated chloroplasts.
mesh_terms: D002736:Chloroplasts / Q000378:metabolism*; D004247:DNA; D003609:Dactinomycin / Q000494:pharmacology; D008970:Molecular Weight; D010759:Phosphorus Isotopes; D012313:RNA / Q000096:biosynthesis*; D012335:RNA, Ribosomal / Q000096:biosynthesis; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D010759:Phosphorus Isotopes; D012335:RNA, Ribosomal; D014316:Tritium; D003609:Dactinomycin; D012313:RNA; D004247:DNA; D014529:Uridine