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NTR108 - EXAM II
Protein/Energy/Nutrients
9
Science
Undergraduate 2
02/21/2011

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Term
Amino Acid
Definition
basic unit of a protein
Term
Proteins
Definition
-ESSENTIAL NUTRIENT
-long chains of subunits; structure and function are determined by their amino acid sequence (encoded in DNA->transcribed to RNA->translated into protein)
Term
Structure of an Amino Acid
Definition
Amino group: nitrogen
Carbon skeleton: r-group (side chain)
Term
Peptide Bond
Definition
Term
Dipeptides
Definition
Term
Polypeptides
Definition
Term
Essential amino acids (EAA)
Definition
-source of nitrogen or energy
-must be in diet for optimal protein
Term
Non-essential amino acids (NEAA)
Definition
-source of nitrogen or energy
Term
Functions of PROTEINS
Definition
Structural
Growth
Maintenance and repair of body tissues
Energy
Regulation of metabolism
Hormone Production
Blood proteins
Enzymes
Immune Function
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