Lawrie Ryan and Roger Norris Solutions for Chapter: Polymerisation, Exercise 7: Question

Name and give the formulae of the two functional groups present in all amino acids. 

Name an example of an amino acid with a non-polar side-chain. 

Draw a diagram of two molecules of serine to show the formation of hydrogen bonds between the $-\mathrm{OH}$ groups of the side-chain.

Which one of the following shows the structural formula of the amide (or peptide) bond that links amino acid monomers together in a polypeptide or a protein? 
A $-\mathrm{CONH}-$
B $-{\mathrm{CONH}}_2-$
C $-\mathrm{COONH}-$ 
D $-{\mathrm{COONH}}_2-$
 

State what is meant by the term amino acid residue.