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The length of the chain can vary, although most are between 14 and 20 carbons, and in higher order plants and animals, fatty acids with 16 and 18 carbons are the major species. Figure 2.7.13 2.7. 13. Fatty acids. (Top) Stearic acid is a fully saturated fatty acid with no carbon-carbon double bonds. (Bottom) Oleic acid is an unsaturated fatty acid.
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Mar 22, 2021 · Summary. Fatty acids are carboxylic acids that are the structural components of many lipids. They may be saturated or unsaturated. Most fatty acids are unbranched and contain an even number of carbon atoms. Unsaturated fatty acids have lower melting points than saturated fatty acids containing the same number of carbon atoms.
May 12, 2024 · A fatty acid with one carbon-carbon double bond is a monounsaturated fatty acid. A fatty acid with two or more double bonds is a polyunsaturated fatty acid. Figure 11.1.1 11.1. 1: Saturated fatty acids have only single bonds while monounsaturated have one double bond and polyunsaturated have more than one double bond.
Sep 20, 2024 · Lipid - Saturated Fatty Acids: The simplest fatty acids are unbranched, linear chains of CH2 groups linked by carbon-carbon single bonds with one terminal carboxylic acid group. The term saturated indicates that the maximum possible number of hydrogen atoms are bonded to each carbon in the molecule. Many saturated fatty acids have a trivial or common name as well as a chemically descriptive ...
- Thomas E. Thompson
Note that as a group, the unsaturated fatty acids have lower melting points than the saturated fatty acids. The reason for this phenomenon can be found by a careful consideration of molecular geometries. The tetrahedral bond angles on carbon results in a molecular geometry for saturated fatty acids that is relatively linear although with zigzags.
Fats serve as a long-term storage form of fatty acids and act as a source of energy. They also provide insulation for the body. This page titled 3.3: Lipid Molecules - Introduction is shared under a CC BY-SA 4.0 license and was authored, remixed, and/or curated by Boundless. Fats and oils, which may be saturated or unsaturated, can be unhealthy ...
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Fatty acids may be saturated or unsaturated. In a fatty acid chain, if there are only single bonds between neighboring carbons in the hydrocarbon chain, the fatty acid is said to be saturated. Saturated fatty acids are saturated with hydrogen; in other words, the number of hydrogen atoms attached to the carbon skeleton is maximized.
