The graph illustrates how pH affects the activity of three different enzymes. The table gives the pH of various regions of the alimentary canal. Parts of the alimentary canal and pH values: - mouth: $7.0$ - stomach: $2.0$ - small intestine: $8.5$ Which enzymes on the graph are most likely to be protease enzymes?
- AX, Y and Z
- BX and Z only
- CY and Z only
- DZ only