Steroids<span> are </span>structurally different<span> from the </span>other lipids. The carbon skeleton of steroids<span> is bent to form four fused rings that </span>do<span> not contain fatty acids. </span>Another <span>popular </span>steroid<span> group is the anabolic </span>steroids<span> that are man-made and mimic the effect of the male hormone, testosterone.</span>
