bleomycin ( 10 microgram/ml ) , which alone did not affect cellular dna synthesis , inhibited dna synthesis of v79 cells by more than 90 % of the control activity when combined with only 1 microgram pentamycin per ml , whereas a similar extent of inhibition in ambr cells was observed by combination with more than 5 microgram pentamycin per ml .
C0007590
dna synthesis
C0007634
cells