44-44 - Question41 s .,which .Increasingther

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Question 41 s
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Use the following information to answer the following questions. Succinate dehydrogenase catalyzes the conversion of succinate to fumarate. The reaction is inhibited by malonic acid, which  resembles succinate but cannot be acted upon by succinate dehydrogenase. Increasing the ratio of succinate to malonic  acid reduces the inhibitory effect of malonic acid. Based on this information, which of the following is correct?  Question options:  A) Succinate dehydrogenase is the  enzyme, and fumarate is the  substrate.  B) Succinate dehydrogenase is the  enzyme, and malonic acid is the  substrate.  C) Succinate is the substrate, and  fumarate is the product.  D) Fumarate is the product, and  malonic acid is a noncompetitive  inhibitor.  E) Malonic acid is the product, and  fumarate is a competitive inhibitor.  Question 42
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