the molecular weights of mitochondrial rrnas ( 0.76-10-6 and 1.25-10-6 ) exceeded those of cytoplasmic rrnas ( 0.67-10-6 and 1.19-10-6 ) when electrophoresed in 8 m urea at 60 degrees c .
C0026237
mitochondrial
C0010834
cytoplasmic