1. The surface of many bacterial species is covered by polysaccharides. These can be in the form of capsules, glycoproteins or glycolipids. In Gram-negative bacteria, the lipopolysaccharide (LPS) also referred to as endotoxin, covers ca. 40% of the bacterial surface.
an official appointed by the government of one country to look after its commercial interests and the welfare of its citizens in another country. 2. either of the two chief magistrates of the ancient Roman republic. 3. French History. one of the three supreme magistrates of the First Republic during the period 1799â1804.
A tribune was someone in the government of ancient Rome who looked out for ordinary people, in other words, an elected representative. There are many types of tribunes, but the earliest dates from ancient Rome. In Rome, a tribune was an elected representative of the common people.