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Lipids

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Fatty acids are composed of a hydrophilic carboxylic acid group attached to a fatty hydrophobic chain of carbon atoms, referred to as the fatty tail. The fatty acids are classified as either saturated or unsaturated depending on the structure. Saturated fatty acids contain only single bonds with hydrogen atoms throughout the length of the carbon chain fatty tail and are therefore considered saturated with hydrogen. The regular structure of saturated fatty acid molecules makes it possible for them to stack close together causing them to easily form solids. Saturated fatty acids are solid at room temperature. Unsaturated fatty acids contain one or more double bonds to hydrogen in the carbon chain. The double bonds create a bend in the…show more content…
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