*Glycoproteins are the proteins covalently attached to carbohydrates such as glucose, galactose, lactose, fuctose, sialic acid, N-acetylglucosamine, N-acetylgalactosamine, etc.
_Glycolipids are carbohydrate-attached lipids. Their role is to provide energy and also serve as marker for cellular recognition.
_Glycoproteins and glycolipids act as antennae, receiving chemical messages from other cells. They are also markers & identifiers that identify the cell to other crs for cellular recognition.
