title: Aging in vitro: incorporation of RNA and protein precursors and acid phosphatase activity during the lifespan of chick embryo fibroblasts.
mesh_terms: D000135:Acid Phosphatase / Q000378:metabolism*; D000375:Aging; D000818:Animals; D002247:Carbon Isotopes; D002455:Cell Division; D002478:Cells, Cultured; D002642:Chick Embryo; D005347:Fibroblasts / Q000378:metabolism*; D066298:In Vitro Techniques; D014176:Protein Biosynthesis; D011498:Protein Precursors / Q000378:metabolism*; D011506:Proteins / Q000378:metabolism; D012313:RNA / Q000378:metabolism*; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D011498:Protein Precursors; D011506:Proteins; D014316:Tritium; D012313:RNA; D000135:Acid Phosphatase; D014529:Uridine