a segment of RNA that can act as a catalyst.
- ri·bo·zy·mal, adjective
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British Dictionary definitions for ribozyme
an RNA molecule capable of catalysing a chemical reaction, usually the cleavage of another RNA molecule
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012