Chapter 5 - Protein Second most important nutrient for the...

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Protein 
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Second most important nutrient for the body  and muscles Consistently turned over and metabolized for  energy Excess is excreted, so daily intake is  important
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Amino acids linked  together – ‘building  blocks of proteins’ >2 AA = protein Composed of Carbon Hydrogen Oxygen Nitrogen
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Peptide bonds – amine  group attaches to acid  group of another AA Forms water Hydrolysis – using water to  break down proteins/peptide  bonds High protein diet? Structure Primary Secondary Tertiary
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20 amino acids –  main role? 9 essential amino  acids Come from diet 11 Non-essential  amino acids Conditionally  essential amino  acids Tyrosine Cysteine
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Number of amino acids Dipeptide Tripeptide Oligopeptide polypeptide Composition Complete Incomplete and  complimenting Quality High Low
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A complete protein
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Chapter 5 - Protein Second most important nutrient for the...

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