Lipids are organic molecules that make up fats and oils. These molecules play essential roles in cellular and bodily function. Which functions do lipids serve in humans and other animals? Functions of lipids Although lipids provide many services in the body, having too many of them in your diet can cause problems. Atherosclerosis is a condition in which lipids collect in arteries, creating blockages which inhibit blood flow. These blockages occur because lipids produce damaging chemicals when they are digested. all lipids are solid at body temperature. lipids link up to carrier proteins and tend to get stuck in artery walls. lipids are rarely used by the body as energy. Answer Bank long-term energy storage insulation make up cell walls short-term energy storage make up plasma membranes cushion organs
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Lipids: Lipids are classified not by a particular structure but by the physical property of being water-insoluble. Structural categories of Lipids: 1. Triacylglycerides (fat): The structure of fat consists of 3 fatty acids linked by their carboxylic acid groups to the alcohols of a glycerol molecule. The resultant functional groups are esters. Butter and vegetable oil are examples of fat. The difference in phase (crystalline vs. fluid) is caused by the number of double bonds in the long fatty acid chains. They can be fully saturated (all carbon – carbon single bonds) as in butter or they are unsaturated (1 or more double bonds) as in vegetable oil (always cis double bonds in nature). Look on line to answer this question: Why it is important to see ‘zero trans fats’ on food labels?
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