Notes 10-21-09

I Proteins are made of amino acids linked in a chain, 20 different aa which can be arranged in any order to make any protein and all aa have different properties, interactions between aa in proteins give it shape and function
ex: adhesions help pili stick to surfaces=— have hydrophilic aminio acids
Denatured means its lost its shape, its permanent, and you can denature things by heating them or changing the pH
Properties of amino acids and external environments of proteins determine how amino acids interact, thus determine protein's shape

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