28 2020 thoughtco. And there are different types of plasma membranes in different types of cells and the plasma membrane has in it in general a lot of cholesterol as its lipid component. Plasma Membrane Cholesterol Symptoms Cholesterol Remedies Cholesterol Medications In addition to the phospholipids the plasma membranes of animal cells contain glycolipids and cholesterolThe glycolipids are found exclusively in the outer leaflet of the plasma membrane with their carbohydrate portions exposed on the cell surface. . Thats different from certain other membranes from within the cell. Allowing only certain molecules to diffuse across the membrane. Cholesterol enhances membrane. The hydroxyl groups of cholesterol molecules as well as the polar heads of membrane phospholipids and sphingolipids interact with water molecules surrounding the membrane while the bulky steroid and hydrocarbon chains as well as the nonpolar fatty-acid c...