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Science chap.14

Energy for Keeping Alive: Nutrition

amino acids any of a class of organic compounds that contains at least one amino group, –NH2, and one carboxyl group, –COOH: the alpha-amino acids, RCH(NH2)COOH, are the building blocks from which proteins are constructed
balanced diet a diet consisting of the proper quantities and proportions of foods needed to maintain health or growth
calorie a quantity of food capable of producing such an amount of energy
carbohydrates an essential structural component of living cells and source of energy for animals
deficiency disease any illness associated with an insufficient supply of one or more essential dietary constituents
enriched food a food to which vitamins have been added
fats any of several white or yellowish greasy substances, forming the chief part of adipose tissue of animals and also occurring in plants, that when pure are colorless, odorless, and tasteless and are either solid or liquid esters of glycerol with fatty acids
fiber the structural part of plants and plant products that consists of carbohydrates, as cellulose and pectin, that are wholly or partially indigestible and when eaten stimulate peristalsis in the intestine.
glycogen a white, tasteless polysaccharide, (C6H10O5)n, molecularly similar to starch, constituting the principal carbohydrate storage material in animals and occurring chiefly in the liver, in muscle, and in fungi and yeasts
kilocalories one thousand small calories
malnutrition lack of proper nutrition; inadequate or unbalanced nutrition
mineral salts elements needed by the body for building tissues and aiding enzyme actions
nutrients any substance that can be metabolized by an organism to give energy and build tissue
oils any of a group of liquid edible fats that are obtained from plants; a slippery or viscous liquid or liquefiable substance not miscible with water
proteins any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms, composed of 20 or more amino acids
roughage any coarse, fiber
vitamins any of a group of organic substances essential in small quantities to normal metabolism, found in minute amounts in natural foodstuffs or sometimes produced synthetically
Created by: daisy37311