pH is a measure of how acidic or alkaline a solution is. The diagram below shows what happens to an enzyme when denaturation occurs. Each enzyme has an optimum pH but it also has a working range ...

"The catalase degrades the H 2 O 2 that is produced," explains Tabish Iqbal, first author of the study and Ph.D. student at IPC. Adding catalase, he says, enhanced the activity of the enzyme 19 ...