Related words. 1  post verb. 2  post up phrasal verb. 3  post off phrasal verb.  cross-post 1  verb. 1. a public notice, especially one advertising a job Synonyms and related words. Types of advertisement:ad, advert, advertisement...  2. a job that someone is sent somewhere to do, usually in another country Synonyms and related words.
Catalytic RNAs, or ribozymes, are a fossil record of the ancient molecular evolution of life on Earth and still provide the essential core of macromolecule synthesis in all life forms today.
, Research scholar in biotechnology. Ribozymes are 50 to 150 base pair nucleotides of RNA which are capable of ctalytic activity. It may or may not be associated with any proteins. They are produced in many cells including bacterial, mammalian even viruses produce them too from their genetic material.