(a(i))[1]
Name a functional group found in drug molecules that could be broken down by acid in the stomach.
(a(ii))[1]
State the type of reaction that would lead to such a breakdown.
(a(iii))[2]
Which one of the following compounds would not be suitable to be taken orally?
(a(iv))[5]
On the structure of your chosen compound in (iii), circle all the functional groups that might be broken down by acid.
(b(i))[2]
State and explain in which location, $P$, $Q$ or $R$, a hydrophobic drug could be carried.
(b(ii))[2]
By considering the nature of the functional groups in $A$, $B$ and $C$, explain why these drugs can be carried at position $R$ in the liposome.
(c(i))[1]
Suggest the size of the nano-cages in metres.
(c(ii))[2]
Suggest why infra-red, rather than higher frequency radiation is used.