title: Enzyme levels of normal human cells: aging in culture.
mesh_terms: D000118:Acetylglucosaminidase / Q000378:metabolism; D002374:Catalase / Q000378:metabolism; D002455:Cell Division; D002460:Cell Line; D002478:Cells, Cultured / Q000201:enzymology*; D003593:Cytoplasm / Q000201:enzymology; D003576:Electron Transport Complex IV / Q000378:metabolism; D006801:Humans; D009708:Nucleotidases / Q000378:metabolism; D013997:Time Factors
chemical_list: D002374:Catalase; D003576:Electron Transport Complex IV; D009708:Nucleotidases; D000118:Acetylglucosaminidase