(a(i))[1]
Give a balanced equation for the condensation reaction of two glycine molecules, $\text{H}_2\text{NCH}_2\text{CO}_2\text{H}$.
(a(ii))[1]
Draw the skeletal formula showing the organic product.
(b(i))[2]
State the two types of secondary structure present in proteins.
(b(ii))[2]
Draw a diagram showing one form of secondary structure.
(c)[4]
Complete the table to show the type of tertiary bonding that each pair of the amino acid residues is likely to form.