E Membranes E1 Membrane lipids E2Membrane protein and carbohydrate E3 Membrane transport: small molecules E4. Membrane transport: macromolecules E5.Signal transduction• E1.Membrane lipids • E2.Membrane protein and carbohydrate • E3.Membrane transport:small molecules • E4.Membrane transport:macromolecules • E5.Signal transduction E Membranes