the effects of dna lesions produced by the carcinogenic alkylating agents ethylnitrosourea and diethylsulfate on the extent of dna synthesis have been studied in a system utilizing circular single-stranded phix174 dna as template and a 392-base restriction fragment as primer with e. coli polymerase i ( klenow fragment ) .
C0012854
dna
C0598312
dna synthesis