Temperature affects enzymatic reaction rates in two ways. An increase in temperature can accelerate the rate of a reaction or it can stop the reaction. Explain each of these effects.
Answers
Factors affecting enzyme activity
Temperature: Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. ... Substrate concentration: Increasing substrate concentration also increases the rate of reaction to a certain point ....
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As the temperature rises, the amount of energy that can be converted into activation energy in a collision rises, increasing the reaction rate. A drop in temperature, on the other hand, would have the opposite effect. There is an increase in the number of crashes as the temperature rises.
By increasing the reaction temperature by 10 degrees Celsius, the reaction rate can be doubled or tripled. This is due to a rise in the number of particles with the smallest amount of energy. With a drop in temperature, the response rate slows.
Without being consumed in the reaction, catalysts can reduce the activation energy and raise the reaction rate.