claim: Milk is based on the life of an animal rights activist.
evidence: dATP -LRB- dGTP -RRB- -- DNA purinetransferase is an enzyme with systematic name dATP -LRB- dGTP -RRB-  : depurinated-DNA purine transferase .. enzyme. enzyme. systematic name. List of enzymes. purine. purine. This enzyme catalyses the following chemical reaction. enzyme. enzyme. catalyses. catalysis. chemical reaction. chemical reaction. -LRB- 1 -RRB- dATP + depurinated DNA deoxyribose triphosphate + DNA. -LRB- 2 -RRB- dGTP + depurinated DNA deoxyribose triphosphate + DNA. The purine residue is transferred on to the apurinic site forming a normal glycosylic bond .. purine. purine