Principles of Biology
Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 6, Problem 3TY
Summary Introduction

Introduction:

Enzymes are known as catalysts found in the living cells. These agents increase the speed of the rate of chemical reaction without themselves getting permanently changed or consumed in it.

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Drag and drop the statements to the correct box: Enzymes DO: Decrease required activation energy Enzymes DON'T: Remain unchanged during the reaction Increase the reaction rate Energy Change the products made Activation energy (X+Y) reactants Change the reactants used Activation Energy A Activation energy (Y→X) products ΔΗ Reaction path Reaction without catalyst Reaction with catalyst Name two things we learned that can denature an enzyme:
An inhibitor was added to an enzyme and the expected rate of the reaction was not detected and the substrate was not utilized at all. This inhibitor is (choose one answer only):     Is un-competitive, meaning the inhibitor binds to a site near the active site.     Is competitive, meaning the inhibitor binds directly to the same active site as the subtrate.     Is non-competitive, meaning the inhibitor binds to site other than the active site as the subtrate.     Is irreversible, meaning the inhibitor binds covalently to the enzyme keeping the enzyme inactive permanently.
Which of the following are effects of catalyst that cause an increase in the rate of reaction? (This is a multi-select question. Select all that apply). a decrease in DG‡. an increase in DG. an increase in temperature. an increase in the energy of the molecules/ions of reactant. an increase in the number of molecules/ions of reactant with enough energy to overcome the activation energy barrier.
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