Q1,Know the general structure of an amino acid and the part that is different for each amino acid.
The general structure of a amino acid is shown below.
Protein.png
Q2,Describe how a peptide bond forms.
A peptide bond is when a molecule from the carboxyl group (OH) reacts with the amino group (H) of the another molecule, when this happens a molecule of water (H2O) is produced as a biproduct. this is also shown in the diagram above.

Q3,Describe what forms the Primary, Secondary, Treditary and Quaternary structures of a protein. Know which of these structures is th strongest (The structure of which is not affected when a protein denatures).