title: Differential labelling of DNA in higher plants.
mesh_terms: D002247:Carbon Isotopes; D002467:Cell Nucleus / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D003593:Cytoplasm / Q000378:metabolism; D004247:DNA / Q000032:analysis / Q000096:biosynthesis*; D009711:Nucleotides / Q000032:analysis; D010710:Phosphates / Q000378:metabolism; D010759:Phosphorus Isotopes; D059828:Plant Cells; D010944:Plants / Q000378:metabolism*; D013936:Thymidine / Q000378:metabolism; D014529:Uridine / Q000378:metabolism; D003313:Zea mays / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D009711:Nucleotides; D010710:Phosphates; D010759:Phosphorus Isotopes; D004247:DNA; D013936:Thymidine; D014529:Uridine