title: Mutations in the galactose-operator.
mesh_terms: D001435:Bacteriophages; D004926:Escherichia coli / Q000201:enzymology*; D005827:Genetics, Microbial; D008967:Molecular Biology; D009154:Mutation; D009713:Nucleotidyltransferases / Q000032:analysis*; D009876:Operon; D014161:Transduction, Genetic
chemical_list: D009713:Nucleotidyltransferases