 nucleic acid metabol len iii x-radiat previou commun report increas vivo incorpor p-32 albuminoid rna fraction rat len 6 hour anim expos x-radiat 1 500 stodi vitro uptak p-32 c-14-adenin albuminoid ribosom solubl rna fraction normal x-irradi rat lens measur rna fraction extract sodium dodecyl sulfat 0 9 cent nacl specif rna fraction hydrolyz chromatograph paper ac- tiviti individu nucleotid well specif rna frac- tion determin experi perform capsul remov 3 hour incub period activ determin nucleic acid extract capsul three rna fraction remain len matter experi indic incorpor p-32 c-14-adenin albuminoid rna markedli stimul 1 hour 1 500 bodi radiat ribosom solubl fraction formaldehyd heat x-irradi albuminoid rna albuminoid rna deriv control anim 