title: HeLa cells lack recA gene.
mesh_terms: D001426:Bacterial Proteins / Q000235:genetics*; D004247:DNA; D004274:DNA, Recombinant; D004926:Escherichia coli / Q000235:genetics; D005796:Genes; D006367:HeLa Cells / Q000502:physiology*; D006801:Humans; D009693:Nucleic Acid Hybridization; D010957:Plasmids; D011938:Rec A Recombinases; D011995:Recombination, Genetic
chemical_list: D001426:Bacterial Proteins; D004274:DNA, Recombinant; D004247:DNA; D011938:Rec A Recombinases