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ch 9
nutrition and digestion
15
Biology
11th Grade
01/09/2012

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Term
oxidation
Definition
a process whereby a substance is combined with oxygen
Term
carbohydrates
Definition
the most important energy producing compounds in the cell; provide most of the energy for living things
Term
cellulose
Definition
forms the walls of plant cells
Term
dietary fiber
Definition
substances which are not digested or made into a part of our bodies
Term
soluble fiber
Definition
slows digestion and aids the stomach and intestines in the absorption of nutrients
Term
insoluble fiber
Definition
helps move undigested waste materials along to keep the intestines clean and healthy
Term
calorie intake
Definition
between 45 and 65%
Term
starchy carbohydrates
Definition
cereals, bread, potatoes, pasta, and rice
Term
sugary carbohydrates
Definition
fruits, honey, cane and beet sugar
Term
proteins
Definition
complex organic molecules used to build and maintain living cells
Term
amino acids
Definition
building blocks of proteins
Term
protein calorie intake
Definition
between 10 and 35%
Term
essential amino acids
Definition
must be obtained from the foods we eat
Term
incomplete protein
Definition
a protein that lacks any of the essential amino acids
Term
lipids
Definition
a varied group of compounds characterizd by their insolubility in water; fats, oils, and fat-like substances
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