why are triglycerides not classed as polymers?
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The definition of a polymer is a long chain of monomers held together by chemical bonds. ... That is to say, nothing but polarity and weak van der Waals' attraction is holding the triglyceride molecules together and it is because the “monomers” aren't joined together that they can't be considered a polymer.
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While triglycerides have glycerol and three fatty acids, phospholipids have glycerol, two fatty acids and a phosphate. ... However, phospholipids have a more rigid chemical structure than triglycerides do, so they make cell membranes tougher and help them to hold their shape better than triglycerides alone could.
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Semi-elemental formulas contain peptides of vary- ing chain length, simple sugars, glucose polymers or. starch and fat, primarily as medium chain triglycerides. (MCT) (3).
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Lipids are a class of macromolecules that are nonpolar and hydrophobic in nature. Major types include fats and oils, waxes, phospholipids, and steroids.
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An example of a nonpolar group is the methane molecule (see discussion in Bond Types Chapter for more detail). Among the polar functional groups is the carboxyl group found in amino acids, some amino acid side chains, and the fatty acids that form triglycerides and phospholipids.
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Even a single type of monomer may form different polymers with different properties. For example, starch, glycogen, and cellulose are all carbohydrates made up of glucose monomers, but they have different bonding and branching patterns.
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Whereas triglycerides occur in lipid droplets in storage cells of plants, animals, and microorganisms, phospholipids are the major components of cell membranes. They are always present in small amounts in edible oils extracted from biological tissues.
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Triglycerides, phospholipids, and steroids are different types of lipids found in the body. The two types of triglycerides are fats and oils. The main difference between lipids and fats is that lipids are a broad group of biomolecules whereas fats are a type of lipids. ... Most steroids in the body serve as hormones.
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The three fatty acids can be different from one another. Since the hydrocarbon chains are very non-polar, fats do no dissolve in water; instead, fat molecules tend to coalesce with one another. Since a fat molecule has 3 fatty acids connected to a glycerol molecule, they are also called trigylcerides.
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A fat molecule, such as a triglyceride, consists of two main components—glycerol and fatty acids. Glycerol is an organic compound with three carbon atoms, five hydrogen atoms, and three hydroxyl (–OH) groups.
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it is one unit, so a glucose molecule is a monomer. It can form a polymer starch or glycogen when a large number of glucose molecules (units) joined together by glycosidic bonds. And now it is a polymer!
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Cause. The most common causes of high triglycerides are obesity and poorly controlled diabetes. If you are overweight and are not active, you may have high triglycerides, especially if you eat a lot of carbohydrate or sugary foods or drink a lot of alcohol.
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In other words, the chains are saturated with hydrogen. Fats (triglycerides) that contain palmitic acid and stearic acid are therefore known as saturated fats. Fats made up of saturated fatty acids are solid at room temperature. You can also see that oleic acid is not saturated.
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Background. Total polar compounds (TPC) whose polarity are larger than those of triglycerides, are generated from peroxides and hydroperoxides during continuous frying, including short chain fatty acids, aldehydes, ketones, alcohol and nonvolatile products [1].
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Triglycerides or triacylglycerols are esters of glycerol and fatty acids. The glycerol component is used to estimate the triacylglycerol levels in laboratory tests.
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Like fats, they are typically composed of fatty acid chains attached to a backbone of glycerol. Instead having three fatty acid tails, however, phospholipids generally have just two, and the third carbon of the glycerol backbone is occupied by a modified phosphate group.
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Like fats, they are typically composed of fatty acid chains attached to a backbone of glycerol. ... The fatty acid chains are hydrophobic and do not interact with water, whereas the phosphate-containing group is hydrophilic (because of its charge) and interacts readily with water.