In a Phospholipid Bilayer,the

Question

In a phospholipid bilayer,the
A)phosphate groups are hydrophobic.
B)fatty acid tails are ionized.
C)fatty acid tails are hydrophilic.
D)proteins are located only between the two layers.
E)phosphate heads are oriented toward the exterior of the cell or toward the cytoplasm.

Accepted Answer

The phosphate heads of phospholipids are hydrophilic and face the aqueous environments inside and outside the cell, while the hydrophobic fatty acid tails face inward, away from water.