Question: is a phospholipid that is a major component of cell membranes?
Answer: A phospholipid is a lipid that contains a phosphate group and is a major component of cell membranes. ... In water, phospholipids spontaneously form a double layer called a lipid bilayer in which the hydrophobic tails of phospholipid molecules are sandwiched between two layers of hydrophilic heads (see figure below).