Cholesterol is:
Cholesterol is an amphipathic lipid and is an impoant structural component of membranes and of the outer layer of plasma lipoproteins. It is mainly synthesized in many tissues from Acetyl-CoA and is the precursor of all other steroids in the body, including coicosteroids, sex hormones, bile acids, and vitamin D.
Tocopherol
Lipoprotein
Steroid
Lipopolysacchride