Chapter 9.1, Problem 3R

Summary Introduction

To review:

The given reaction and explain:

The kind of reaction taking place (oxidation or reduction).

The nature of the reaction (exergonic or endergonic).

The kind of coenzyme, which catalyzes the reaction.

Introduction:

Citric acid cycle (CAC) or Krebs cycle operates under aerobic conditions in the mitochondria in the eukaryotes and in the cytoplasm in the prokaryotes. It is an 8-step reaction, which utilizes acetyl coenzyme A (acetyl CoA) as a substrate. The conversion of succinate to fumarate takes place during this cycle, which is shown as follows: