amino acids

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  • the general structure of amino acids
    • carboxylic acid group makes it an acid
    • r group is different on different amino acids
    • eg NH2 is the amino group
    • joining amino acids form a peptide bonds one peptide bond to 2 amino acids
    • primary structure is the sequence of amino acids,this determined the secondary and tertiary structure
    • condensation reactions form dipeptides
    • dipeptide chains to form polypeptide chains
    • there are 3 levels primary,secondary and tertiary structure
    • secondary structure,areas of folding happen along these chains coil form to produce an alpha helix
    • the tertiary structure is the overall 3d structure of the poly peptide usually contains more than one chain held together by hydrogen bonds

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