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monounsaturated fatty acids

fatty acids with one double bond


types of lipid composed of a multicyclic ring system


the most prevalent of the steroid compounds; needed for cellular membranes, the synthesis of vitamin D, hormones, and bile salts

polyunsaturated fatty acids

fatty acids that contain two or more double bonds


the addition of hydrogen to unsaturated fats

saturated fatty acids

fatty acids that have no double bonds, they have higher melting points than unsaturated lipids, and are usually solid at room temperature


a triacylglycerol obtained from a plant source; usually liquid at room temperature


a family of compounds that is nonpolar in nature and not soluble in water, includes fatty acids, prostaglandins, waxes, triacylglycerols, glycerophospholipids, and steroids


a triacylglycerol obtained from an animal source; usually a solid at room temperature

fatty acids

long chain carboxylic acids found in many lipids

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