HUN 6248 Protein Overview 9-29-11 (1)

HUN 6248 Protein Overview 9-29-11 (1) - Macro - overview...

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Macro - overview Protein HUN 6248
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The Nature of Proteins Formed from amino acids Each of the amino acids has a an amine group (NH2) and an acid group (COOH). The remainder of the molecule is called the side chain. The side chain’s unique structure dictates the amino acid’s particular characteristics. Peptide bonds link amino acids in chains that take on diverse forms and chemical combinations.
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Amino Acids The body requires 20 different amino acids. The potential for combining the 20 amino acids creates an almost infinite number of possible proteins.
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Amino Acids The body cannot synthesize eight amino acids (nine in children and some older adults), so they must be ingested in foods. The essential amino acids are isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
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Proteins Complete proteins contain the essential amino acids in the quantity and correct ratio to maintain nitrogen balance and allow for
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This note was uploaded on 10/20/2011 for the course HUN 6240 taught by Professor K during the Spring '11 term at fu-.

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HUN 6248 Protein Overview 9-29-11 (1) - Macro - overview...

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