title: Methylation of euchromatic and heterochromatic DNA.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002247:Carbon Isotopes; D002455:Cell Division; D002460:Cell Line; D002478:Cells, Cultured / Q000378:metabolism*; D002499:Centrifugation, Density Gradient; D002843:Chromatin; D006224:Cricetinae; D004247:DNA / Q000378:metabolism*; D004261:DNA Replication; D006570:Heterochromatin; D007553:Isotope Labeling; D008168:Lung / Q000378:metabolism*; D008715:Methionine / Q000378:metabolism; D008745:Methylation; D008938:Mitosis; D008954:Models, Biological; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D002843:Chromatin; D006570:Heterochromatin; D014316:Tritium; D004247:DNA; D008715:Methionine; D013936:Thymidine