BIOL 100 Lecture Notes - Lecture 13: Oligosaccharide, Function Type, Portal Vein
Document Summary
Carbs are the most abundant biomolecules & the most common source of energy. Allow for the storage/transport of energy (starch/glycogen) and structural components (cellulose) Monosaccharides are the most basic unit of carbs. Building blocks of disaccharides - 2 joined monosaccharides; the simplest polysaccharides (sucrose & lactose) Composed of 2 monosaccharide units bound together by a covalent bond - glycosidic linkage - formed by dehydration reaction. Results in the loss of a hydrogen atom from one monosaccharide & a hydroxyl group from the other. Sucrose - table sugar - is the most abundant disaccharide & is the main form in which carbs are transported into plants. Polysaccharides have many roles in biological structure & function; i. e. storage molecules - starch. Polymeric carb structures that are joined together by glycosidic bonds. Normally long straight chains but may contain various degrees of branching.