inhibitors of dna-repair synthesis , hydroxyurea ( hu ) and 1-beta-d-arabinofuranosyl cytosine ( ara-c ) when added simultaneously with s9-activated b [ a ] p for 3 h showed an increase in elution of dna at ph 12.1 , indicating that a population of b [ a ] p-induced dna lesions could be removed by a rapid dna-repair process .
C0012854
dna
C0000702
a