title: Amino acid regulation of the rates of synthesis and chain elongation of ribonucleic acid in Escherichia coli.
mesh_terms: D003470:Culture Media; D003597:Cytosine Nucleotides / Q000096:biosynthesis; D004926:Escherichia coli / Q000378:metabolism*; D007700:Kinetics; D009705:Nucleosides / Q000096:biosynthesis / Q000302:isolation & purification; D012329:RNA, Bacterial / Q000096:biosynthesis*; D012333:RNA, Messenger / Q000096:biosynthesis; D013912:Threonine; D014316:Tritium; D014498:Uracil / Q000378:metabolism; D014500:Uracil Nucleotides / Q000096:biosynthesis
chemical_list: D003470:Culture Media; D003597:Cytosine Nucleotides; D009705:Nucleosides; D012329:RNA, Bacterial; D012333:RNA, Messenger; D014500:Uracil Nucleotides; D014316:Tritium; D013912:Threonine; D014498:Uracil