121slide06 - Protein Amino Acids Calorie Values of Energy...

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Protein ↔ Amino Acids
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Calorie Values of Energy Nutrients Energy Nutrients Energy Carbohydrate 4 kcal/g Fat (lipid) 9 kcal/g Protein 4 kcal/g
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Protein: Structure Cut out a snip of the rope….what do you have? A linked chain of subunits known as amino acids Amino Acids: What links them together? Peptide Bonds
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H H 3 N N CH CH C C NH NH CH CH C C O O OH OH X X 1 X X 1 Amino Acid Amino Acid Amino Acid Amino Acid Peptide Bond Peptide Bond O O
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Proteins Polypeptide
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Protein ↔ Amino Acids What is the R-Group or side chain? It is any one of 20 different chemical groups How many amino acids are there? 20- each with its own name
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Amino Acids There are 20 amino acids that make up the proteins found in the body and in food people eat All are found in differing amounts Types of amino acids
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Why are Proteins Important? Functions of Proteins Structure: Shapes provide unique function Energy
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Hemoglobin Structure = protein
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Functions of Proteins cont. Regulation
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121slide06 - Protein Amino Acids Calorie Values of Energy...

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