MEDIUM
AS and A Level
IMPORTANT
Earn 100

Draw a diagram of two molecules of serine to show the formation of hydrogen bonds between the groups of the side-chain.

Important Questions on Polymerisation
EASY
AS and A Level
IMPORTANT
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
B
C
D

EASY
AS and A Level
IMPORTANT
State what is meant by the term amino acid residue.

MEDIUM
AS and A Level
IMPORTANT
Draw the repeat unit of the polyester, PLA.

MEDIUM
AS and A Level
IMPORTANT
Draw the repeat unit of Terylene.

EASY
AS and A Level
IMPORTANT
Explain the term condensation polymer.

MEDIUM
AS and A Level
IMPORTANT
Explain how the chains of Kevlar are held together to make it such a strong material.

MEDIUM
AS and A Level
IMPORTANT
Polyesters are condensation polymers.
a. Give the structures of two monomers that could be used to make a polyester.
b. Give the structure of the polyester formed from these two monomers.

EASY
AS and A Level
IMPORTANT
Glycine is an amino acid with the formula . Give the systematic name for glycine.
