title: Changes in enzymic activity during cultivation of human cells in vitro.
mesh_terms: D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D002455:Cell Division; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D002843:Chromatin / Q000201:enzymology*; D004254:DNA Nucleotidyltransferases / Q000378:metabolism*; D003851:Deoxyribonucleases / Q000378:metabolism*; D004622:Embryo, Mammalian; D006657:Histones / Q000032:analysis; D006801:Humans; D008168:Lung / Q000201:enzymology; D010447:Peptide Hydrolases / Q000378:metabolism; D012313:RNA / Q000032:analysis; D012260:Ribonucleases / Q000378:metabolism*; D013698:Templates, Genetic; D013997:Time Factors
chemical_list: D002843:Chromatin; D006657:Histones; D012313:RNA; D004254:DNA Nucleotidyltransferases; D003851:Deoxyribonucleases; D012260:Ribonucleases; D010447:Peptide Hydrolases; D000604:Amino Acyl-tRNA Synthetases