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Unformatted text preview: steroids block the intestine’s absorption of cholesterol. Some chemical mediators are lipids. Some chemical mediators are produced by the modification of fatty acids that have been removed from membrane phospholipids. These include prostaglandins which promote inflammation and smooth muscle contraction. Proteins They are macromolecules composed of amino acids. Most enzymes are proteins....
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- Fall '09
- Fatty Acids, carbon atoms, chemical mediators