`` `` early '' '' viral messenger ribonucleic acid ( mrna ) constituted 0.1 % of rna synthesized at 11 hr , and `` '' late '' '' viral mrna constituted 50 % of rna synthesized at 45 hr after infection , as determined by hybridization of viral dna with labeled rna from infected cells pulse labeled with ( 3 ) h-uridine .
C0035696
ral
C0035668
led