1996b-669 bacterial biologicaltherapy cellularsignaltransduction chromosomes congresses design dna drugresistance drugs episomes geneexpressionregulation genetic geneticcode geneticregulation genetics genetictechniques genetictranscription insertionelements laboratorymanuals microbial molecularbiology molecularchaperones moleculargenetics plasmids proteinbiosynthesis proteins qh601c392192002 qu58s997f1980 qw52d111d1976 secondmessengers(biochemistry) signaltransduction synthesis transcription transcriptionfactors