Lecture 8- Protein Analysis

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14 Terms

1
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Why determine the protein content of food

  1. Nutrition

  2. Quality( structure)

    ex: gliadin, gluten in affect the structure of bread

  3. Safety

  4. Economic considerations

2
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What are proteins

Polymers of amino acids connected by peptide bonds

3
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What is the structure of proteins

4
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Basic sticks of amino acid?

5
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What is the dertmination of primary structure

The sequence of amino acids

6
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What determines function of protein

The shape

7
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What are the nonpolar amino acids

8
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What are the aromatic groups

9
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What are the positively charged amino acids

More nitrogen

10
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What are the polar amino acids

11
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Why are the negatively chatprged amino acids

12
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Why use poly lysine a,imo acids?

Gives positive charge to protein and can penetrate the membrane

13
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More nitrogen in positively charrged so must be careful during analysis

14
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How ware peptide bonds formed?