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Proteins

Proteins are polymers made up of many monomers. The monomers in proteins are amino acids. Amino Acids contain the elements:


Carbon, Hydrogen, Nitrogen and Oxygen.

 

2

 

When two amino acids join together in they form a peptide bond.

This reaction is known as a condensation reaction as it produces water.

 

4

 

Proteins have four levels of structure:


 

⇒ Primary – sequence of amino acids in polymer

 

⇒Secondary – interaction between the R groups of the amino acids leads

 

⇒Tertiary – more folding of α helix or β pleated due to H/Ionic/Disulphide bonds.

 

⇒Quaternany – two or more polypeptides joined together.

 

 

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