Enzymes are catalysts. this means that they are able to speed up chemical reactions. which of the following statements is also true of enzyme catalysts?

Hello. This question is incomplete. The complete question is:

"Enzymes are catalysts. This means that they are able to speed up chemical reactions.

Which of the following statements is also true of enzyme catalysts?

a. they must be continuously replaced after each catalyzed reaction.]

b. They increase the energy that is released by reactions.]

c. They are not used up by reactions.]

d. they increase the energy that must be absorbed by reactions"

They are not used up by reactions

Explanation:

Enzymes are protein molecules with large molar mass that act as biological catalysts, also called biocatalysts, that is, they can accelerate the metabolism (reactions of the body), even when not used by reactions.

For example, a lollipop on a table will take a long time to decompose on contact with air oxygen only. But when we eat it, the reaction between lollipop sugar and body oxygen occurs within seconds, as enzymes act on sugar molecules to create structures that react more easily, speeding up the reaction.

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b. lithosphere, asthenosphere, mesosphere   is the answer most likely