(a)[2]
What does a polymer mean?
(b(i))[1]
Name the type of chemical reaction that happens when proteins are converted into amino acids.
(b(ii))[1]
Suggest one condition required to convert proteins into amino acids.
(c(i))[1]
How do you work out an $R_f$ value?
(c(ii))[1]
Put a ring around the spot formed by amino acid X on the diagram.
(c(iii))[3]
Describe how you would carry out a chromatography experiment to make the chromatogram shown in (c). Assume you have been given the mixture of amino acids and a suitable locating agent. Common laboratory apparatus is available.
(d)[3]
Draw the structures of the two different dipeptide molecules. Show every atom and every bond in the linkages.