title: Incorporation of deoxycytidine triphosphate and thymidine triphosphate into nuclear DNA in vitro during early and late S phase in frog embryos.
mesh_terms: D000818:Animals; D002453:Cell Cycle; D004261:DNA Replication; D003845:Deoxycytosine Nucleotides / Q000378:metabolism; D006657:Histones / Q000502:physiology; D007700:Kinetics; D011894:Rana pipiens / Q000196:embryology*; D013942:Thymine Nucleotides / Q000378:metabolism
chemical_list: D003845:Deoxycytosine Nucleotides; D006657:Histones; D013942:Thymine Nucleotides