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.
Lysozyme, an enzyme that attacks bacteria, consists on a polypeptide chain of 129 amino acids. The precise primary structure of a protein is determined by inherited genetic information. Even a slight change in primary structure can affect a proteinâs conformation and ability to function.