Paragraph on Sterols | Organic Compounds | Living Organisms | Biology
The below mentioned article provides a paragraph on sterols. Sterols or steroids are not true fats. Steroids are derivatives of phenanthrene and have the parent nucleus (perhydrocyclopentanophenanthrene) with 17 carbon atoms consisting in 3 hexagon and one pentagon rings. When the natural steroids have a methyl group at C-13 and generally at C-10 and possess one or more alcoholic groups, [...]