Lecture 8 - Protein - HNF 150 P Thurston Fall 2007 Lecture...

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HNF 150            Fall 2007 P Thurston Lecture Outline Objectives: I.D. the amino acid structure and important points re: the structure of a protein molecule Name 4 functions of protein in the body Summarize protein synthesis Discuss the process of protein digestion I.D. possible fates of amino acids I.D. factors affecting the body’s use of protein Discuss factors affecting protein quality Explain how protein requirements are set and state the RDA for protein and the DG  recommendations Describe consequences of a diet with not enough or too much protein I.D. food sources including a variety of plant sources. PROTEIN I.  Protein Facts A. Protein contains carbon, hydrogen, and oxygen plus  Nitrogen B. Amino acids are the building blocks of protein  C. Some amino acids are  essential II.  Functions of Proteins in the Body (5): Enzymes, peptide hormones, structural proteins, transport proteins, and  immunoproteins III.  Structure of Amino Acids A.  Backbone (2 groups): Amine group (contains N) and acid group B.  Sidechain: Differ in (3): Size, shape, and electrical charge 1
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HNF 150            Fall 2007 P Thurston Lecture Outline C.  There are  20   amino acids that are the building blocks of protein I. What makes protein different from one another?
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