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.
chyme. the semifluid, homogeneous, creamy or gruel-like material produced by action of the gastric juice on ingested food in the stomach and discharged through the pylorus into the duodenum.hyme. [kÄ«m]. Etymology: Gk, chymos, juice. the viscous, semifluid contents of the stomach present during digestion of a meal. Chyme then passes through the pylorus into the duodenum, where further digestion occurs.