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.
1 Lysozyme is an enzyme secreted by the salivary glands. 2  It kills bacteria. 3  Mucus is a fluid secreted by the foveolar cells in the stomach. 4  It protects the stomach wall. 5  Chymosin is a fluid secreted by the chief cells of the stomach.6  It coagulates milk and has an optimum pH of 3.5.his page is a comprehensive list of those secretions, their source, and their functions. 1  Enzymes speed up digestive processes to make digestion faster. 2  Hormones can stimulate digestion, and the release of hormones into the organs. 3  Mucus can protect the inner wall of organs, as well as lubricating them for movement.