title: Solutions not yet polarized.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis; D004926:Escherichia coli / Q000378:metabolism*; D005815:Genetic Code; D005827:Genetics, Microbial; D006824:Hybridization, Genetic; D009154:Mutation; D009876:Operon; D012316:RNA Nucleotidyltransferases / Q000378:metabolism; D012333:RNA, Messenger / Q000096:biosynthesis*; D012270:Ribosomes / Q000378:metabolism; D014364:Tryptophan / Q000378:metabolism
chemical_list: D001426:Bacterial Proteins; D012333:RNA, Messenger; D014364:Tryptophan; D012316:RNA Nucleotidyltransferases