BLG 10A/B Chapter Notes - Chapter 24: Sex Steroid, Complete Protein, Olestra
28 Feb 2014
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Kilocalorie (= calorie): amount of heat energy needed to raise the temperature of 1 kilogram of water 1 degree celsius. Nutrient: substance in food the body uses to promote normal growth, maintenance, and repair. Major nutrients: carbohydrates, lipids, proteins, water (not considered nutrient) - bulk amounts. Healthy eating pyramid = six major food groups, including subdivisions. Myplate = food guide usda => healthy proportions. Essential nutrients = cannot be made fast enough to meet the body"s needs, so our diet must provide them (45-50 molecules) chemicals that must be obtained from outside sources. Carbohydrates => plants [except milk sugar & glycogen in meats] Sugars => fruits, sugar cane, sugar beets, honey, milk. *meager = synthesize nucleic acids and a variety of sugars are attached to externally facing plasma membrane proteins/lipids. Can be healthy with a wide variations of carbohydrate intake. 100 g/day = maintain a normal/adequate blood glucose level.
