NST10 0915 - NST 10 Proteins Plant vs Animal Proteins Different properties What is protein Units of proteins are amino acids(have a nitrogen

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NST 10 - Proteins 21:11 Plant vs Animal Proteins  Different properties  What is protein?  Units of proteins are amino acids  (have a nitrogen) Proteins are series of connected amino acids – make up bulk of cell structure  and act as enzymes for catalyzing cellular reactions  Two types –  o Essential: cannot be synthesized but required by organism, must come  from diets  o Nonessential: can be synthesized from body (from liver)  BMR from cell is higher than burning the protein due to energy to maintain  cell structure String amino acids tog – polypeptide chain  Connected by peptide bond – as a collective, chains have own characteristics Break amino acid chains (cleave peptide bonds)  To become polypeptide, tripeptide, dipeptides, amino aiicis Diff interactions between bonds  Most single amino acids are destroyed Amino acid pool – get from diet  -Amination or Deamination, Transamination 
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-To body protein or inert protein (hair, etc)  -To Urinary excretion  -To Creatine  -To Purines, pyrimidines 
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This note was uploaded on 10/12/2008 for the course NUTRI SCI 10 taught by Professor Amy during the Fall '08 term at University of California, Berkeley.

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NST10 0915 - NST 10 Proteins Plant vs Animal Proteins Different properties What is protein Units of proteins are amino acids(have a nitrogen

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