title: Repair deficiency in a bacterial mutant defective in DNA polymerase.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D004247:DNA / Q000096:biosynthesis*; D004254:DNA Nucleotidyltransferases; D003720:Densitometry; D004926:Escherichia coli / Q000201:enzymology* / Q000254:growth & development / Q000378:metabolism / Q000528:radiation effects; D008970:Molecular Weight; D009154:Mutation; D011830:Radiation Effects; D013045:Species Specificity; D013941:Thymine / Q000378:metabolism; D014316:Tritium; D014466:Ultraviolet Rays
chemical_list: D002247:Carbon Isotopes; D014316:Tritium; D004247:DNA; D004254:DNA Nucleotidyltransferases; D013941:Thymine