In Biological Membranes, the Phospholipids Are Arranged in a

Multiple Choice

In biological membranes, the phospholipids are arranged in a

A) single layer, with the fatty acids facing the interior of the cell.
B) bilayer, with the phosphorus groups in the interior of the membrane.
C) bilayer, with the fatty acids pointing toward one another.
D) single layer, with the phosphorus- containing region facing the interior of the cell.
E) bilayer, with the fatty acids facing outward (facing the interior and exterior of the cell) .