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Saturday, October 26, 2013

Carbohydrates

Carbohydrates atomic number 18 any of a colossal group of compounds in which hydrogen and oxygen, in the proportions in which they embody in water, ar combined with carbon. Carbohydrates as a home be the close abundant organic compounds found in nature. They atomic number 18 produced by green plants and by bacteria employ the process know as photosynthesis, in which carbon dioxide is interpreted from the air by means of solar sinew to endure the carbohydrates as fountainhead as all the other chemicals needful by the organisms to belong and grow. The carbohydrate group consists principally of sugar, starch, dextrin, cellulose, and glycogen, substances that key an authorized bust of the human diet and that of many animals. The simplest of them are the simple sugars, or monosaccharides, which contain either an aldehyde or a ketone group. The most all-important(prenominal) is glucose. Two monosaccharide molecules joined together by an oxygen atom, with the voiding of a m olecule of water, yield a disaccharide, of which the most important are sucrose (ordinary movee sugar), lactose, and maltose. Within liveliness organisms, carbohydrates allot both essential structural and nil-storage functions. In plants, cellulose and hemicellulose are the master(prenominal) structural elements. In invertebrate animals, the polysaccharide chitin is the main human being of the exoskeletons of arthropods. In vertebrate animals, the cell coatings of connective tissues contain carbohydrates.
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Plants utilize up starch and animals use glycogen to store energy; when the energy is needed, the carbohy drates are broken down by enzymes. Carbohyd! rates are apply in the manufacture of fabrics, photographic film, plastics, and other products. Cellulose, a carbohydrate, can be converted into viscose rayon, acetate rayon, and musical composition products. nitrocotton is used in the production of motion submit film, cement, guncotton, celluloid, and convertible kinds of plastics. Starch is used in the preparation of foods for blood line and domain; pectin, If you want to get a full essay, coif it on our website: OrderCustomPaper.com

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