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Sorcha Vaughan 23/9/2010




Proteins

Made up of chains of amino acid
There are twenty naturally occurring amino acids
They all contain C, H, O, N and some contain S and P
The general structure of an amino acid is




The R group is variable
The simplest R group is a…

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Sorcha Vaughan 23/9/2010




1) Primary structure ­ this is the sequence of amino acids in the proteins. As we can see from the
above diagram Peptide bonds join the amino acid together. Polypeptide and proteins maybe
hundreds and thousands amino acids long. So the variety is infinite. A polypeptide becomes…

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