it would appear that the conditions of denaturation used ( 99 % dimethyl sulfoxide at 26 c , and reaction with 1.1 m formaldehyde for 10 min at 60 c ) do not equally denature parainfluenza virus rna and other rnas , such as cellular rrna , 45s rrna precursor , and r17 rna .
C0035701
rrna
C0035668
rna