(a(i))[3]
Name the structures A, B and C.
(a(ii))[1]
Name the molecule D.
(a(iii))[3]
State what takes place at 1, 2 and 3.
(b)[1]
Antibodies are glycoproteins. State the meaning of the term glycoprotein.
(c)[2]
The genes for antibody production are located on different chromosomes, for example chromosomes 2 and 14 in humans. Explain how one antibody molecule is the product of more than one gene.
(d)[4]
Describe and explain how the structure of an antibody molecule is linked to its functions.