9700/11 Biology Oct Nov 2015 Online Test | Cambridge AS and A Level MCQ

The enzyme invertase catalyses the breakdown of sucrose to glucose and fructose.
Three different enzyme inhibitors of invertase X, Y and Z were investigated. The percentage inhibition of invertase was measured at different concentrations of inhibitor.
The graph shows the result of the investigation.
Which are valid conclusions from these results?
1) The higher…