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.
much-used phrase,âthe ribosome is a ribozymeâ. The overall shape of each subunit is largely deter-mined by the structure of the rRNAs,which also con-tribute most of the mass.Ribosomal proteins cluster on the sides exposed to the solvent and on the periphery of the interface between the two subunits.The subunit