A Series of Enzymes Catalyze the Reaction X → Y

question 66

Multiple Choice

A series of enzymes catalyze the reaction X → Y → Z → A. Product A binds to the enzyme that converts X to Y at a position remote from its active site. This binding decreases the activity of the enzyme.
-With respect to the enzyme that converts X to Y, substance A functions as

• A) a coenzyme.
• B) an allosteric inhibitor.
• C) the substrate.
• D) an intermediate.
• E) a competitive inhibitor.

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Definitions:

Potential for Growth

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Rogers

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