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 6.3, Problem 2TYK
Summary Introduction

Introduction:

Redox reactions involve the transfer of electrons. It is a type of chemical reaction that involves the transfer of electrons between species. It is a reaction in which one species is reduced and one species is oxidized.

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Shown below are reduction potentials for four half-reactions. Which of the coupled reactions is favorable? (Note that for Cytochrome c you must multiply the reduction potential by 2 for each coupled reaction because only one electron is involved) a) 2 Cytochrome c (Fe3+) + H2O ó 2 Cytochrome c (Fe2+) + O2 b) NADH + Succinate- ó NAD+ + Fumarate- c) Fumarate-  + H2O ó Succinate- + O2 d) All of the above
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