in a search for eucaryotic enzymes which might process the heterogenous nuclear rna ( hnrna ) from animal cells into messenger rna , a ribonuclease called rnase d analogous to e. coli rnase iii in its ability to cleave specifically synthetic or viral double-stranded polyribonucleotides has been detected and extensively purified from the cytosol of krebs ii mouse ascites cells .
C1383501
cytosol
C0007634
cells