cytoplasmic ribosomal rna molecular weights were 0.70 and 1.26 x 16 ( 6 ) before denaturation , and 0.68 and 1.5 x 10 ( 6 ) after denaturation , suggesting an unusual reaction of the heavy ribosomal rna to formaldehyde .
C0035553
ribosomal
C0035701
ribosomal rna