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The ________ of a phospholipid molecule will seek water, whereas the ________ of the molecules will avoid water. Answer a. tail; head b. head; tail c. hydrophobic portion; hydrophilic portion d. fatty acid; phosphate group.Follow. 3 answers 3..head; tail hydrophobic tails and a hydrophilic head. It is usually found with cholesterol molecules which are found in-between the spaces of the phospholipid.
The lipid bilayers that are found in cell membranes have two important characteristics. One of them is that most polar molecules cannot go across the membrane. Polar molecules are attracted to the water inside the cell or to the water outside the cell.However, they cannot interact with the nonpolar tails of the phospholipids within the lipid bilayer. The result is that the interior part of the cell membrane forms a non polar zone that acts as a barrier to polar molecules.hospholipids are molecules that make up the framework of the cell membrane..Phospholipids are lipids in which the long chains or tails are joined to a short polar head that contains phosphorus. The long tails are nonpolar, so water molecules will tend to push them away.