title: Origin of thymidine kinase deficient (TK-) haploid frog cells via an intermediate thymidine transport deficient (TT-) phenotype.
mesh_terms: D000166:Acridines / Q000494:pharmacology; D000818:Animals; D001001:Anura; D001692:Biological Transport; D001973:Bromodeoxyuridine / Q000494:pharmacology; D002250:Carbon Radioisotopes; D002460:Cell Line; D002999:Clone Cells; D004351:Drug Resistance; D004625:Embryo, Nonmammalian / Q000187:drug effects / Q000201:enzymology* / Q000378:metabolism; D006238:Haploidy; D007700:Kinetics; D008433:Mathematics; D009150:Mustard Compounds / Q000494:pharmacology; D009154:Mutation; D010641:Phenotype; D011437:Propylamines / Q000494:pharmacology; D011894:Rana pipiens; D013936:Thymidine / Q000378:metabolism*; D013937:Thymidine Kinase; D014316:Tritium
chemical_list: D000166:Acridines; D002250:Carbon Radioisotopes; D009150:Mustard Compounds; D011437:Propylamines; D014316:Tritium; D013937:Thymidine Kinase; D001973:Bromodeoxyuridine; D013936:Thymidine