Nikolas
Created page with "Many different types of molecules facilitate communication between cells. == Adhesion molecules == Adhesion molecules make it possible for two cells to communicate directly. Like a form of “handshake”, two cells each contain molecules that bind to each other and induce changes inside the cell. This interaction does not always depend on antigens. There are five families of adhesion molecules. === Ig-superfamily === The first family is the Ig-superfamily. It contains..."