Allosteric modulators seldom resemble the substrate or product of the enzyme. What does this observation show? A. The enzyme catalyzes more than one reaction. B. Modulators likely bind at a site other than the active site. C. Modulators bind non-covalently to the enzyme. D. Modulators always act as activators.
Allosteric modulators seldom resemble the substrate or product of the enzyme. What does this observation show? A. The enzyme catalyzes more than one reaction. B. Modulators likely bind at a site other than the active site. C. Modulators bind non-covalently to the enzyme. D. Modulators always act as activators.
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Question
For a reaction A + B --> P + Q, which is catalyzed by an enzyme (E), the following observations are made: i) a AEB complex is formed during the reaction; ii) The product Q is always released before the product P is released. Based on the observations, the mechanism of the reaction is:
A. Random mechanism
B. Ping-pong mechanism
C. Both A and B
D. Neither A nor B
Allosteric modulators seldom resemble the substrate or product of the enzyme. What does this observation show?
A. The enzyme catalyzes more than one reaction.
B. Modulators likely bind at a site other than the active site.
C. Modulators bind non-covalently to the enzyme.
D. Modulators always act as activators.
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