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an enzyme does not get used up in a reaction. it is essentially a catalyst. although an enzyme speeds up the rate of chemical reactions by decreasing the amount of activation energy required, it does not in itself change during the reaction.

***Note:: Enzymes cease to function when they denature. This usually occurs by pH level changes, or increased temperatures. This occurs because it causes the bond of the molecule to break and essentially changes the shape of the enzyme. Because an enzyme is a lock and key model, when the shape changes it becomes useless

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Are enzymes used up at the end of reaction?

no


What does reusable enzymes mean?

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Is it true that Enzymes are not consumed during a chemical reaction?

Correct. Enzymes help to speed up chemical reactions. They may speed them up, costing them some energy, but they are never used up.


What do enzymes do that is so great?

Enzymes lower the activation energy of a reaction, acting as a catalyst and speed up the reaction. Plus they never get used up, only over and over again.


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What do enzymes do for a reaction?

It speeds up the reaction time.


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No, enzymes are not consumed in a reaction. Instead, they facilitate and speed up chemical reactions by lowering the activation energy required for the reaction to proceed. Enzymes remain unchanged and can be used repeatedly.


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Enzymes act as catalysts. They speed up the reaction time.


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Yes. Enzymes are catalysts and as such they participate in the reaction without being used up.


What do enzymes to do a chemical reaction?

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