The Lipids That Compose the Cell Membrane Are Arranged with "Heads

Multiple Choice

The lipids that compose the cell membrane are arranged with "heads" and "tails" such that:

A) The "heads" are in contact with extracellular and intracellular fluid and the "tails" oriented away from these fluids
B) The "tails" are in contact with extracellular and intracellular fluid and the "heads" oriented away from these fluids
C) Half of all "heads" and "tails" are in contact with extracellular fluid
D) Both "heads" and "tails" are in contact with intracellular fluid