Becker's World of the Cell (9th Edition)
Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 6, Problem 6.2PS

(a)

Summary Introduction

To draw:  An activation energy diagram for reaction under catalyzed and uncatalyzed conditions. Compare the activation energy of reaction after using platinum and enzyme.

Introduction: Activation energy is the minimum amount of energy that is required for a reaction to occur. Whereas, transition state is a particular stage of the reaction at which free energy of reactants is high.

(b)

Summary Introduction

To describe: Two properties of catalase that make it a more suitable intracellular catalyst than platinum.

Introduction: Catalase is an enzyme which decomposes the hydrogen peroxide into hydrogen and oxygen. Platinum act as a catalyst and lowers the activation energy of the reaction.

(c)

Summary Introduction

To explain: Another way to accelerate the rate of hydrogen peroxide decomposition with its effect.

Introduction: Hydrogen peroxide is catalyzed by the enzyme catalase and converts it into water and oxygen molecule. Many ways can accelerate the rate of the hydrogen peroxide decomposition.

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