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Which of the following statements is true regarding the effect of the enzyme concentration on the reaction rate?
A. As the enzyme concentration increases, the reaction rate will be unaffected, because the enzyme does not actively participate in the reaction with the substrate.
B. As the enzyme concentration increases, the reaction rate will increase, as long as there is a supply of substrate molecules.
C. As the enzyme concentration increases, the reaction rate will decrease, regardless of the number of substrate molecules.
D. As the enzyme concentration increases, the reaction rate will increase, regardless of the number of substrate molecules.



Answer :

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Answer: B. As the enzyme concentration increases, the reaction rate will increase, as long as there is a supply of substrate molecules.

Explanation: As enzyme concentration increases, the reaction rate increases because more enzyme molecules can catalyze the reaction. This works continually only as long as substrate molecule quantities are sufficient to bind to the enzymes. With more enzymes, there is a chance of being more enzyme-substrate complexes, as substrates at an activation point can only link to a particular enzyme.

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