What is the variable that affects enzyme function in the example of catalase?

5a, a student set up test tubes containing solutions of different pHs, and used a sensor to measure changes in oxygen gas pressure during the reaction of hydrogen peroxide by the enzyme catalase. In this example, the independent variable is pH and the dependent variable is gas pressure

Explanation:

it's a easy answer for you but good complation

i think its c. amphipod

what subject is this