Near the optimal temperature, hydrogen bonds relax, facilitating catalase's action on molecules of hydrogen peroxide.
Changes in temperature denature proteins and alter their structure.
Catalase activity is best at temperatures about 30°C.
Depending on the temperature, catalase functions differently. As the temperature rises from 0°C to about 30°C, catalase activity increases. Between about 30 and 100 degrees Celsius, catalase activity declines.
This study found that liver and yeast samples often include the ideal catalase enzyme activity parameters, which are 37 °C and a pH of 7, respectively.
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