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Polymers, carbohydrates and lipids Typeit
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Polymers are molecules formed when several small units called join together. This often happens via reactions, in which is eliminated. The opposite of this kind of reaction is called a reaction.
, otherwise known as polysaccharides, are formed from individual sugar molecules known generally as . Two of these can join together to form a bond; for example, two molecules of glucose form a disaccharide called . is a carbohydrate used to store energy in animals, whereas starch is used in plants.
Triglycerides and phospholipids are two types of . Triglycerides are made when one molecule of binds to three fatty acids via bonds. One of the fatty acids is replaced with a group containing in phospholipids. Triglycerides and phospholipids can both be detected using the test, in which a cloudy white suspension will form when and water are added to the sample.