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    Properties of Enzymes and Catalysis

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    Which of the following statements is true of enzyme catalysts?
    (a) They are generally equally active on D and L isomers of a given substrate
    (b) They can increase the reaction rate for a given reaction by a thousand-fold or more
    (c) They can increase the equilibrium constant for a given reaction by a thousand-fold or
    more.
    (d) Their catalytic activity is independent of pH
    (e) To be effective, they must be present at the same (equimolar) concentration as their substrate
    (f) None of the above

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    Solution:
    (Please see the attached Word file for a fully formatted version of the solution.)

    Which of the following statements is true of enzyme catalysts?

    The correct answer is (b) They can increase the reaction rate for a given reaction by a thousand-fold or more. Scroll down for explanations of each answer option (correct or incorrect).

    (a) They are generally equally active on D and L isomers of a given substrate
    INCORRECT. Most ...

    Solution Summary

    The solution includes the answer(s) to the multiple choice collection about enzyme structure and function, along with a brief description of why each multiple option is either correct or incorrect.

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