title: The presence of single-stranded regions in mammalian DNA.
mesh_terms: D000818:Animals; D002460:Cell Line; D006224:Cricetinae; D004261:DNA Replication; D004277:DNA, Single-Stranded / Q000302:isolation & purification*; D004720:Endonucleases; D007739:L Cells / Q000032:analysis; D051379:Mice; D008938:Mitosis
chemical_list: D004277:DNA, Single-Stranded; D004720:Endonucleases