title: A fraction of newly synthesized DNA of HeLa cells.
mesh_terms: D002499:Centrifugation, Density Gradient; D002845:Chromatography; D046508:Culture Techniques; D004261:DNA Replication; D004273:DNA, Neoplasm / Q000096:biosynthesis*; D006367:HeLa Cells / Q000378:metabolism*; D008854:Microscopy, Electron; D012334:RNA, Neoplasm / Q000378:metabolism; D012709:Serum Albumin; D012822:Silicon Dioxide; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D004273:DNA, Neoplasm; D012334:RNA, Neoplasm; D012709:Serum Albumin; D014316:Tritium; D012822:Silicon Dioxide; D013936:Thymidine; D014529:Uridine