Carbohydrates are vital for energy storage and supply, as well as for structural purposes. Glycogen is a stored form of glucose found in liver and muscle tissues, serving as a readily available energy source. Structural carbohydrates like glycosaminoglycans (GAGs) contribute to the extracellular matrix, providing support and hydration to tissues. Carbohydrates are also involved in cell recognition and signaling, forming part of cell surface glycoproteins and glycolipids.
