(i) Give two examples of macromolecules that are chosen as drug targets.
(ii) What are antiseptics ? Give an example.
(iii) Why is use of aspartame limited to cold foods and soft dirink ?

Explanation

(i) Enzyme and receptor are the macormolecules that are chosen as drug targets.
(ii) Antiseptics : These are applied to the living tissures such as wounds, cuts and diseased skin surfaces. Examples of antiseptics are furacine and soframicime.
(iii) Aspartame is the most useful artificial sweetener. It's use is limited to cold foods and soft drinks because it is unstable at cooking temperature.