試題詳解

1. According to the fluid mosaic model of cell membranes, phospholipids_____.
(A) have hydrophilic tails in the interior of the membrane.
(B) frequently flip-flop from one side of the membrane to the other.
(C) occur in an uninterrupted bilayer, with membrane proteins restricted to the surface of the membrane
(D) can move laterally along the plane of the membrane.
(E) have hydrophobic heads in the exterior of the membrane.