title: Control of the synthesis of DNA precursors during Rana pipiens development.
mesh_terms: D000619:Aminohydrolases / Q000037:antagonists & inhibitors; D000818:Animals; D001001:Anura; D002247:Carbon Isotopes; D002854:Chromatography, Paper; D003597:Cytosine Nucleotides / Q000096:biosynthesis* / Q000494:pharmacology; D003854:Deoxyribonucleotides / Q000494:pharmacology; D004151:Dipeptides / Q000494:pharmacology; D004355:Drug Stability; D004625:Embryo, Nonmammalian / Q000201:enzymology*; D004789:Enzyme Activation; D005260:Female; D005459:Fluorides / Q000494:pharmacology; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008274:Magnesium / Q000494:pharmacology; D008297:Male; D008623:Mercaptoethanol / Q000494:pharmacology; D010710:Phosphates / Q000494:pharmacology; D010744:Phosphoric Monoester Hydrolases / Q000037:antagonists & inhibitors; D010770:Phosphotransferases / Q000037:antagonists & inhibitors; D011188:Potassium / Q000494:pharmacology; D011894:Rana pipiens / Q000196:embryology; D012964:Sodium / Q000494:pharmacology; D013395:Sucrose / Q000494:pharmacology; D013942:Thymine Nucleotides / Q000096:biosynthesis* / Q000494:pharmacology; D014325:Tromethamine / Q000494:pharmacology; D014461:Ultracentrifugation
chemical_list: D002247:Carbon Isotopes; D003597:Cytosine Nucleotides; D003854:Deoxyribonucleotides; D004151:Dipeptides; D010710:Phosphates; D013942:Thymine Nucleotides; D014325:Tromethamine; D013395:Sucrose; D008623:Mercaptoethanol; D012964:Sodium; D010770:Phosphotransferases; D010744:Phosphoric Monoester Hydrolases; D000619:Aminohydrolases; D008274:Magnesium; D005459:Fluorides; D011188:Potassium