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Q: What are true statements about chemical reactions?
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Enzymes are catalysts. This means that they are able to speed up chemical reactions. statements is also true of enzyme catalysts?

Yes, it is correct.


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?

They occur more quickly than reactions without enzymes.They occur more quickly than reactions without enzymes.


Which of the following statements about the light reactions of photosynthesis are true?

No options are given


Chemical reactions that occur in cells are called biochemical reactions?

yes. true.


Is it true enzymes decrease the rates of chemical reactions?

true they decrease the rates of chemical reactions this i right not the other dudes awnser:P


Is it true or false that Chemical reactions rearrange atoms but do not create or destroy them?

true


Is it true that catalyst speed chemical reactions but are not changed by them?

Yes, it's true.


Which of the following statements about enzymes is not true A are catalysts B almost all enzymes are proteins C operate most efficiently at optimum pH D destroyed during chemical reactions?

Enzymes are not destroyed during chemical reactions.


Does chemical reactions create molecules and compounds?

Yes, it is true.


Is Electrons in an excited state are more likely to enter into chemical reactions true?

True


Chemical reactions that absorb energy will not occur without a source of energy true or false?

This is true. Energy is required to begin all reactions.


Electrolytes determine most of the chemical and physical reactions of the body?

True