Extra Credit: Up to 5 points. Matching. A. Allosteric enzymes. B. allosteric site C. allosteric inhibitors D. allosteric activators E. feedback inhibition where molecules other than the substrate bind bind to the allosteric site to inactivate the enzyme bind to the allosteric site to activate the enzyme Biochemical pathways are often regulated by ________ in which the end product of the pathway is an allosteric inhibitor of an earlier enzyme in the pathway. exist in either an active or inactive state
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Allosteric enzymes: enzymes that can exist in either an active or inactive state. Show more…
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Which of the following statements about the allosteric site is true? a. The allosteric site is a second active site on a substrate in a metabolic pathway. b. The allosteric site on an enzyme can allow the product of a metabolic pathway to inhibit that enzyme and stop the pathway. c. When the allosteric site of an enzyme is occupied, the reaction is irreversible and the enzyme cannot react again. d. An allosteric activator prevents binding at the active site. e. An enzyme that possesses allosteric sites does not possess an active site.
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Which of the following descriptions best describes an allosteric inhibitor? Select one: a. A drug that binds to a different binding site from the active site and affects the activity of the enzyme. b. A drug that binds to an active site and inhibits the enzyme, but which is displaced by increasing the concentration of substrate. c. A drug that binds to an active site and inhibits the enzyme, but which is not displaced by increasing the concentration of substrate. d. A drug that binds to an active site and undergoes a reaction.
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