Which of the Following Statements Regarding the Structure and Function

Multiple Choice

Which of the following statements regarding the structure and function of cell membranes is correct?

A) The phospholipid bilayer is arranged so that the hydrophilic heads of the phospholipid molecule face the extra- and intracellular fluids
B) Some proteins integrated into the membrane serve as channels for the passage of nonpolar molecules through the membrane
C) Some proteins integrated into the membrane function as channels associated with transport of ions through the membrane
D) Both the phospholipid bilayer is arranged so that the hydrophilic heads of the phospholipid molecule face the extra- and intracellular fluids and some proteins integrated into the membrane function as channels associated with transport of ions through the membrane are correct
E) All of the choices are correct