title: Enzymes of DNA biosynthesis in developing sea urchins. Changes in ribonucleotide reductase, thymidine, and thymidylate kinase activities.
mesh_terms: D000818:Animals; D004247:DNA / Q000096:biosynthesis*; D004261:DNA Replication; D003609:Dactinomycin / Q000494:pharmacology; D005260:Female; D010063:Ovum / Q000201:enzymology; D010770:Phosphotransferases / Q000378:metabolism*; D012264:Ribonucleotide Reductases / Q000378:metabolism*; D012617:Sea Urchins / Q000196:embryology*; D013937:Thymidine Kinase / Q000378:metabolism*
chemical_list: D003609:Dactinomycin; D004247:DNA; D012264:Ribonucleotide Reductases; D010770:Phosphotransferases; D013937:Thymidine Kinase