We turn now to the third great class of biological molecules the carbohydrates, or saccharine. Many of these substances are already familiar to you. The simplest carbohydates are small, monomer molecules - the monosacchaises , which include simple sugars such as glucose . Other important carbohydrates are formed by linking such monosaccharides together . If only a few monomer units are involved , we call the molecule an oligosaccharide. An example is Maltese , a disaccharide mode by linking two glucose molecules together. long polymerstory of the monosaccharides , like the starch Amy - lose , are called polysaccharides. Many kinds of polysaccharides exist , some of which are complex polymerso made from many types of sugar monomers