Aprimary function of carbohydrates attached to the glycoproteins and glycolipids of animal cell membranes is to

A primary function of carbohydrates attached to the glycoproteins and glycolipids of animal cell membranes is to  mediate cell-cell recognition. Cell-cell recognition refers to the communication between cells. specific cellular adhesion molecules enable this active process. This process leads to cell organization: some cells adhere to each other and others are excluded.