What is the function of glycoproteins in the body?

Glycoproteins play a crucial role in cell recognition and signaling, which is essential for various biological processes. By having carbohydrate chains attached to their protein structures, glycoproteins can effectively mediate interactions between cells. This is important for processes such as immune response, where glycoproteins on the surface of cells can help the immune system to identify and respond to foreign invaders, such as pathogens.

Additionally, glycoproteins are involved in cell signaling by acting as receptors for hormones and other signaling molecules. They can initiate intracellular signaling cascades when they engage with specific ligands, thus modulating physiological responses in the body. Their carbohydrate components also help in stabilizing the protein structure and determining the protein's localization in cellular compartments.

Overall, the unique structure of glycoproteins allows them to serve as key players in communication between cells, making cell recognition and signaling their primary function.