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.
Enzymes with lysozyme activity are found in many animals in host defense settings as well as in digestive organs. High concentrations of lysozyme are found in avian egg white, and in mammalian tears, milk, respiratory secretions, granulocytes, and macrophages. In human granulocytes, lysozyme is a highly abundant protein in both phagocytic and secretory granules, and is the principal secreted protein of macrophages.