(a)[2]
Table 5.1 gives one structural difference between the two molecules shown in Fig. 5.1. Complete Table 5.1 with two more structural differences, other than numbers of different types of atoms.
(b)[4]
With reference to Fig. 5.2, explain how enzymes released by pancreatic cells are packaged into vesicles and exported.
(c)[3]
Water has many important functions in cells and living organisms. Complete Table 5.2 below by stating the property of water that makes each of the following possible: • solvent for glucose and ions • movement in xylem • helps to reduce body temperature in mammals