n. an enzyme, located in the *lysosomes of cells, that splits RNA at specific places in the molecule.
A compound on which an ENZYME acts: for instance, ribonucleic acid (RNA) is the substrate for ribonuclease (an enzyme that catalyses the breakdown of ribonucleic acid, a cellular compound involved in the synthesis of PROTEIN).... substrate
n. an enzyme that catalyses the breakdown of nucleic acids by cleaving the bonds between adjacent nucleotides. Examples are ribonuclease, which acts on RNA, and deoxyribonuclease, which acts on DNA.... nuclease
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