Sterols are amphipathic lipids based on the steroid ring structure but with a polar hydroxyl (OH group) on one of the 6-membered rings. Sterols are also known as steroid alcohols, an example of ...
Lipids are hydrophobic or amphiphilic small molecules that include sterols, waxes, fatty acids and phospholipids, and are insoluble in water and soluble in organic solvent. Biological lipids are ...