To propose: The succinate dehydrogenase reaction. Introduction: Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

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Chapter 20, Problem 7P

Interpretation Introduction

To propose:

The succinate dehydrogenase reaction.

Introduction:

Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

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All dehydrogenases of glycolysis and the TCA cycle use NAD* (E° for NAD*/NADH is -0.32V) as electron acceptor except succinate dehydrogenase (which uses FAD (E° for FAD/FADH2 is 0.05V). Based on AG° = -NFEº, show and state (1-2 sentences) why is FAD a more appropriate electron acceptor than NAD* in the dehydrogenation of succinate (consider the E° values of %3D Uptake in Na+ Vmax Uptake in absence of Na+ Vmax substrate K: (mM) Kt (mM) L-leucine 420 0.24 23 0.2 D-Leucine 310 4.7 5 4.7 L-valine 225 0.31 19 0.31 fumarate/succinate (E° = 0.031), NAD*/NADH, and the succinate dehydrogenase FAD/FADH2).

For 30 moles of glucose that is completely oxidized in the glycolysis down to the Krebs cycle, what is the total moles of ATP produced in a cell with an ATP synthase possessing 8 c subunits? Assume that the malate aspartate shuttle is used for NADH transport.

The reaction catalyzed by malate dehydrogenase has a ΔG°′ value of +29.7 kJ⋅mol−1. Given what this says about the occurrence of the reaction catalyzed by malate dehydrogenase in cells explain how the reaction catalyzed by citrate synthase (−31.5 kJ⋅mol−1) influences that activity of malate dehydrogenase. In addition, explain how the activity of citrate synthase functions as a regulatory point for the citric acid cycle

Answer 2

Question

Chapter 20, Problem 7P

Interpretation Introduction

To propose:

The succinate dehydrogenase reaction.

Introduction:

Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

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Answer 3

Question

Chapter 20, Problem 7P

Interpretation Introduction

To propose:

The succinate dehydrogenase reaction.

Introduction:

Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

Expert Solution & Answer

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Answer 4

Question

Chapter 20, Problem 7P

Interpretation Introduction

To propose:

The succinate dehydrogenase reaction.

Introduction:

Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

Expert Solution & Answer

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Answer 5

Chapter 20, Problem 7P

Interpretation Introduction

To propose:

The succinate dehydrogenase reaction.

Introduction:

Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

Answer 6

Chapter 20, Problem 7P

Interpretation Introduction

To propose:

The succinate dehydrogenase reaction.

Introduction:

Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

Answer 7

Chapter 20, Problem 7P

Interpretation Introduction

To propose:

The succinate dehydrogenase reaction.

Introduction:

Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

Answer 8

Expert Solution & Answer

Answer 9

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Answer 10

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Answer 11

Ch. 20 - Prob. 1P Ch. 20 - Prob. 2P Ch. 20 - Prob. 3P Ch. 20 - Understanding an Antidote for Cyanide Poisoning...Ch. 20 - Prob. 5P Ch. 20 - Prob. 6P Ch. 20 - Prob. 7P Ch. 20 - Prob. 8P Ch. 20 - Prob. 9P Ch. 20 - Prob. 10P

To propose: The succinate dehydrogenase reaction. Introduction: Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

Solution Summary: The author explains that succinate dehydrogenase catalyzes conversion of alkane to alkene, which differs from the other reactions of the TCA cycle.

To propose:

The succinate dehydrogenase reaction.

Introduction:

Out of the dehydrogenase reactions in the glycolysis and the TCA cycle, all but one-use NAD+ as the electron acceptor.

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Chapter 20 Solutions