Which of the Following Is Not One of the Functional

Multiple Choice

Which of the following is not one of the functional roles of membrane proteins?

A) Allowing movement of molecules that otherwise would be excluded by the lipid components of the membrane
B) Transferring signals from outside the cell to inside the cell
C) Maintaining the shape of the cell
D) Facilitating the transport of macromolecules across the membrane
E) Stabilizing the lipid bilayer