The diagram illustrates the influence of temperature changes on the time needed for an enzyme to digest starch. Which statement about the results is correct?
- AThe optimum temperature is at X and the rate of reaction decreases between X and Y.
- BThe optimum temperature is at X and the rate of reaction increases between X and Y.
- CThe optimum temperature is at Y and the rate of reaction decreases between X and Y.
- DThe optimum temperature is at Y and the rate of reaction increases between X and Y.