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Nutrition

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Term
Definition
Nutrient   Chemicals obtained from food that are necessary for normal function of cells  
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Vitamin   Organic molecule required for metabolism, yet are only available in small amounts in diet  
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Carbohydrates   An organic molecule composed of carbon, hydrogen, and oxygen  
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Monosaccharide   The simplest carbohydrate molecules  
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Disaccharide   Carbohydrate composed of two monosaccharides  
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Polysaccharides   Class of carbs composed of three or more monosaccharide monomers  
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Lipid   Group of organic molecules including triglycerides, phospholipids, steroids, and ecosanoids  
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Triglycerides   Lipid providing long-term energy storage in adipose connective tissue; composed of glycerol and three fatty acids  
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Protein   Organic molecule composed of one or more chains of amino acids  
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Amino acid   Organic molecule used to build protwins  
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Absorption   Process of moving substances into blood or lymph  
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Glycolysis   Stage of cellular respiration in which glucose is partially catabolyzed to form pyretic acid and ATP molecules  
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Citric Acid Cycle   A cyclic metabolic pathway that occurs in the matrix of mitochondria during which energy in the bonds of acytl coA is transferred to form ATP, NADH, and FADH  
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Electron transport system   Involves the transfer of hydrogen and an electron from the coenzymes NADH and FADH  
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Calorie   The amount of energy required to raise the temp of 1 gallon of water by 1 degree C  
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Metabolic rate   Amount of energy used in a given time period  
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Metabolism   All chemical reactions taking place in the body, including both anabolic and catabolic reactions  
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