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Primary structure
The specific sequence of amino acids that make up the polypeptide chain
Secondary structure
The 3D structure formed as a result of interactions between amino acids such as alpha helix or beta plated sheet
Tertiary structure
The more specific 3D folding of the secondary structure
Quaternary structure
The 3D arrangement of more than one tertiary polypeptide
What is an amino acid made of
Amino group, carboxyl group, hydrogen and R group
Monomers proteins made of
Amino acids
How do amino acids join
Condensation reaction forming a peptide bond
Bonds in primary structre
Peptide bond
Bonds in secondary structure
Hydrogen
Bonds in tertiary and quaternary structure
Hydrogen, ionic, disulphide
Note 
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