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  1. Ribozyme is an RNA molecule that has catalytic activity.
  2. It is a type of enzyme in which RNA can catalyze changes in its own molecular structure.
  3. Ribozymes were first discovered in the year 1981 by Cech in a ciliate protozoa called Tetrahymena thermophila.
  4. The common examples of ribozymes are RNase-P and self-splicing group I intron.