a prolonged ( within 4 days ) administration of hydrocortisone or protamin-zn-insulin into preadolescent male rats with body weight of 70-90 g caused a distinct increase in the synthesis of dna-like rna , precursor of ribosomal rna in nuclei and ribosomal rna in cytoplasma of liver tissue .
C0035668
rna
C0035701
ribosomal rna