Biology Today and Tomorrow without Physiology (MindTap Course List)
Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
ISBN: 9781305117396
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 4, Problem 6SQ
Summary Introduction

Introduction: An enzyme is a substance that acts as a macromolecular biological catalyst in living things. It is  made up of proteins that folded into complex forms and found throughout the body. The reaction is speed by the enzymes by reducing activation energy. Thus, it drops the barrier that avoids the occurrence of reactions.

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________ is a regulatory mechanism in which the end product of a metabolic pathway inhibits an enzyme that catalyzes an early step in the pathway.   a. Cooperative inhibition b. Feedback inhibition c. Allosteric inhibition d. Non-competitive inhibition e. Metabolic inhibition
Item 35 Organic cofactors are referred to as _________. Fill in the blank   36       Item 36   Noncompetitive inhibition of an enzyme occurs when the inhibitor binds to the   Multiple Choice   a. allosteric site, and its effectiveness is not influenced by substrate concentration.   b. allosteric site, and its effectiveness depends on substrate concentration.   c. active site, and its effectiveness is not influenced by substrate concentration.   d. active site, and its effectiveness depends on substrate concentration.   e.substrate, and its effectiveness depends on product concentration.
Which of the following factors can denature an enzyme? 1. Competetive inhibitors 2.Extreme pH 3.Presence of heavy metals 4.Extremely high temperatures   A. All of the above B.None of the above C. 4 only D. All factors except 1
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