Thymidine kinase activity in synchronized HeLa cell cultures.
D002854:Chromatography, Paper; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis; D006367:HeLa Cells; D008727:Methotrexate / Q000494:pharmacology; D013937:Thymidine Kinase / Q000378:metabolism*
D004247:DNA; D013937:Thymidine Kinase; D008727:Methotrexate