Catalase is an enzyme used to accelerates chemical reactions in the human body. The performance of an enzyme depends on the pH levels. Catalase performs best at the optimum pH of 7. However, it weakens or denatures at pH levels above 10 though the range may differ on other species.
Answer:
its either a or b i don't know exactly cuz I didn't learn this but I tried looking it up and it didn't work
