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LCE SCIENCE

Ch 2 Food & Digestion Sec 1 : Food & Energy

TermDefinition
nutrient substances in food that provide the raw materials and energy the body needs to carry out all its essential processes
calorie the amount of energy needed to raise the temperature of one gram of water by one degree Celsius
carbohydrate nutrient composed of carbon, oxygen and hydrogen that is a major source of energy
glucose a sugar that is the major source of energy for the body's cells
fat energy containing nutrients that are composed of carbon, oxygen and hydrogen
protein nutrient that contains nitrogen as well as carbon, hydrogen, and oxygen; they are needed for tissue growth and repair and play a part in chemical reactions within cells
amino acids small units that are linked together chemically to form large protein molecules
vitamins molecules that act as helpers in a variety of chemical reactions within the body
minerals nutrients that are needed by the body in small amounts and are not made by living things
Created by: LCEclass
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