(a(i))
Identify a functional group in drug molecules that could be broken down by acid in the stomach.
(a(ii))
State the type of reaction that would bring about such a breakdown.
(a(iii))
Which one of the following compounds would be unsuitable for oral administration?
(a(iv))[5]
On the structure of your chosen compound in (iii), circle every functional group that could be broken down by acid.
(b(i))
State and explain at which location, P, Q or R, a hydrophobic drug could be carried.
(b(ii))[2]
By considering the functional groups in A, B and C, explain why these drugs can be carried at position R in the liposome.
(c(i))
Suggest a size for the nano-cages in metres.
(c(ii))[2]
Suggest why infra-red, instead of higher frequency radiation, is used.