Question

why does enzyme decrease at higher temperature


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Answer 1

As with many chemical reactions, the rate of an enzyme-catalysed reaction increases as the temperature increases. However, at high temperatures the rate decreases again because the enzyme becomes denatured and can no longer function. As the temperature increases so does the rate of enzyme activity. ...

Answer 2

Enzymes work best at particular a temperature.

• When the temperature is increased it denatures the enzyme by changing the shape o the activity site which leads to reduced activity and hence its working is disturbed.
• At lower temperatures the enzyme does not collide with the substrate at desired rate due to which the working of the enzyme deteriorates in this case too.
• If we take the human body as an example the enzymes work beat at 37°C, which might not be the case with other organisms.

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