Catalase is an enzyme that speeds up the conversion of hydrogen peroxide into water and oxygen. Two students investigated how enzyme concentration affects the reaction rate of catalase. The students predicted that their results would display the same pattern. The graphs show the rates measured by each student. Which statement explains the different pattern shown by student 2’s results?
- AStudent 2 included a competitive inhibitor in the investigation.
- BStudent 2 performed the investigation at a higher temperature.
- CStudent 2 performed the investigation at pH $6$ compared to pH $8$.
- DStudent 2 used a lower concentration of substrate in the investigation.