Why is CF mucus so sticky

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There are twenty different amino acids occuring commonly in protien

Primary structure:   amino acids join in condensation reaction, many of these form a polypeptide chain. the order of amino acids is the primary structure.

(http://vegan.fm/wp-content/uploads/2010/08/amino_acid_structure_21.jpg)

(http://click4biology.info/c4b/7/images/7.5/primary.gif)

Secondary structure: interactions between amino acids in the chain cause twists and folds into 3D shapes, Alpha Helixs and Beta pleated sheets may form. they are held together by hydrogen(O-H…

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