The lipid bilayer is held together mainly by
a. covalent bonding between membrane lipids.
b. hydrogen-bonding between the phospholipids' tails.
c. repulsion between the phospholipids' tails and water.
d. covalent bonding between the ends of phospholipids tails in opposite layers.
e. hydrogen-bonding between the head groups of the phospholipids.
C
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