Answer:
The greatest reaction for this enzyme will be in tubes 4 and 5
Explanation:
Enzymes found in a particular environment tend to work best in the conditions of that environment. For example, enzymes from human cells usually work at an optimum temperature of 37C, our body temperature.
In this example, the bacterium is found in conditions of 50-80C. Therefore, we assume the bacteria will work best at these conditions. In the experimental set up, the tubes that correspond to these temperatures are 4 and 5.
