(a)[5]
The boxes in Fig. 2.1 show features of chitin and keratin. Write, in every box, the biological molecules from the list below that have the same feature. A box may contain one biological molecule, or more than one. The first box has already been completed as an example.
(b(i))[1]
With reference to Fig. 2.2, state the optimum temperature for the chitinase enzyme.
(b(ii))[5]
With reference to Fig. 2.2 and Fig. 2.3, describe and discuss how temperature affects chitinase activity and stability.
(ii)[5]
With reference to Fig. 2.2 and Fig. 2.3, describe and discuss how temperature affects chitinase activity and stability.