Evidence from the control of pyrimidine biosynthesis in tissue minces by purines.
D000241:Adenosine / Q000494:pharmacology*; D000818:Animals; D001224:Aspartic Acid / Q000378:metabolism; D001639:Bicarbonates / Q000378:metabolism; D002219:Carbamates / Q000378:metabolism; D002250:Carbon Radioisotopes; D002645:Chickens; D006151:Guanosine / Q000494:pharmacology*; D066298:In Vitro Techniques; D008297:Male; D008321:Mammary Glands, Animal / Q000187:drug effects / Q000378:metabolism*; D009928:Organ Specificity; D009943:Organophosphorus Compounds / Q000378:metabolism; D009963:Orotic Acid / Q000096:biosynthesis*; D010057:Oviducts / Q000187:drug effects / Q000378:metabolism*; D010770:Phosphotransferases / Q000037:antagonists & inhibitors; D051381:Rats; D013997:Time Factors; D014529:Uridine / Q000494:pharmacology*
D001639:Bicarbonates; D002219:Carbamates; D002250:Carbon Radioisotopes; D009943:Organophosphorus Compounds; D006151:Guanosine; D001224:Aspartic Acid; D009963:Orotic Acid; D010770:Phosphotransferases; D000241:Adenosine; D014529:Uridine