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Each enzyme molecule is used over and over again.

One of the fastest enzymes is catalase, which is found in liver and elsewhere. It catalyzes the breakdown of hydrogen peroxide into water and oxygen:

2H2O2 forms 2H2O + O2

Each molecule of catalase catalyzes the breakdown of some 40 million substrate molecules in a second.

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15y ago
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14y ago

Enzymes are biological catalysts, and like all catalysts they have the property of affecting some chemical reaction (normally, either speeding it up or slowing it down) without being used up or altered in the process. They can be re-used. Indeed, it is often necessary to use some antagonistic enzyme to halt the action of a given enzyme when it has done enough of what it is supposed to do.

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16y ago

Since enzymes themselves are not used in the chemical process, theoretically, they can be used an infinite number of times, but they are usually eliminated before they get a chance to do that.

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15y ago

numerous times, theyre not consumed in the reaction

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14y ago

An enzyme is an organic catalyst. A catalyst participates in a reaction but is not consumed by the reaction. Enzymes recycle indefinitely.

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11y ago

Yes

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Q: How many times can one enzyme be used?
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