Question

Describe what you know about enzymes that explains your evidence and your claim.
Use the words: temperature, energy, substrate, product, active site, 3D shape, denature, and hydrogen bonds

Claim: When the temperature increases, the rate of a catalase activity increases. When the temperature decreases, the rate of a catalase activity decreases.

Answer 1

Answer:

An enzyme is a protein molecule that can catalyze the chemical reaction in living organism or any system. It increases the rate of the chemical reaction by lowering the energy of activation which is required to reach threshold to initiate the reaction.

Active site is the surface region of an enzyme which is specific to substrate and bind to its substrate to catalyse the reaction and remain unchanged after the product formation in the reaction.

When the temperature increase the rate of reaction and catalytic activity increases as well but after a limit it can denature the 3D structure of the protein as hydrogen bonds breaks in the process which leads to losing its biological properties. When the temeprature decreases the rate of catalyse activity decreases.

Answer 2

It should be noted that an enzyme refers to a protein molecule that can be used to catalyze the chemical reaction in a living organism.

An enzyme increases the rate of the chemical reaction as it lowers the energy of activation that is required to reach the threshold to initiate the reaction. The active site of an enzyme is specific to substrate and bind to its substrate to catalyze the reaction and remain unchanged after the product formation in the reaction.

It should be noted that when the temperature brings about an increase in the rate of reaction, it leads to an increase in the catalytic activity but after a limit, it can denature the 3D structure of the protein due to the fact that hydrogen bonds break in the process which then brings about the loss of its biological properties.

In conclusion, a decrease in temperature will lead to a reduction in the rate of catalyze activities.

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