The conditions that indicate low energy status and providedescription of the impact that each of the following conditions will have on flux (through the citric acid cycle): a. High NADH/NAD + (Nicotinamide adenine dinucleotide) ratio b. High ATP/ADP (adenosine triphosphate/adenosine diphosphate) ratio c. High acetyl-CoA (Coenzyme A) concentration d. Low citrate concentration e. High succinyl-CoA concentration. Introduction: In mitochondri, aitricacid cycle occurs immediately after glycolysis. It is regulated by the cell’s energyrequirement. When the cellrequires energy, citric acid cycle is stimulate, dhereas it will in inhibited when energy is not needed.

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Answer 1

Question

Chapter 9, Problem 11RQ

Summary Introduction

To review:

The conditions that indicate low energy status and providedescription of the impact that each of the following conditions will have on flux (through the citric acid cycle):

a. High NADH/NAD⁺ (Nicotinamide adenine dinucleotide) ratio

b. High ATP/ADP (adenosine triphosphate/adenosine diphosphate) ratio

c. High acetyl-CoA (Coenzyme A) concentration

d. Low citrate concentration

e. High succinyl-CoA concentration.

Introduction:

In mitochondri, aitricacid cycle occurs immediately after glycolysis. It is regulated by the cell’s energyrequirement. When the cellrequires energy, citric acid cycle is stimulate, dhereas it will in inhibited when energy is not needed.

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The citric acid cycle itself, which is composed of enzymatically catalyzed steps, can be thought of essentially as a supramolecular enzyme. Explain.

Answer 2

Question

Chapter 9, Problem 11RQ

Summary Introduction

To review:

The conditions that indicate low energy status and providedescription of the impact that each of the following conditions will have on flux (through the citric acid cycle):

a. High NADH/NAD⁺ (Nicotinamide adenine dinucleotide) ratio

b. High ATP/ADP (adenosine triphosphate/adenosine diphosphate) ratio

c. High acetyl-CoA (Coenzyme A) concentration

d. Low citrate concentration

e. High succinyl-CoA concentration.

Introduction:

In mitochondri, aitricacid cycle occurs immediately after glycolysis. It is regulated by the cell’s energyrequirement. When the cellrequires energy, citric acid cycle is stimulate, dhereas it will in inhibited when energy is not needed.

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Answer 3

Question

Chapter 9, Problem 11RQ

Summary Introduction

To review:

The conditions that indicate low energy status and providedescription of the impact that each of the following conditions will have on flux (through the citric acid cycle):

a. High NADH/NAD⁺ (Nicotinamide adenine dinucleotide) ratio

b. High ATP/ADP (adenosine triphosphate/adenosine diphosphate) ratio

c. High acetyl-CoA (Coenzyme A) concentration

d. Low citrate concentration

e. High succinyl-CoA concentration.

Introduction:

In mitochondri, aitricacid cycle occurs immediately after glycolysis. It is regulated by the cell’s energyrequirement. When the cellrequires energy, citric acid cycle is stimulate, dhereas it will in inhibited when energy is not needed.

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Answer 4

Question

Chapter 9, Problem 11RQ

Summary Introduction

To review:

The conditions that indicate low energy status and providedescription of the impact that each of the following conditions will have on flux (through the citric acid cycle):

a. High NADH/NAD⁺ (Nicotinamide adenine dinucleotide) ratio

b. High ATP/ADP (adenosine triphosphate/adenosine diphosphate) ratio

c. High acetyl-CoA (Coenzyme A) concentration

d. Low citrate concentration

e. High succinyl-CoA concentration.

Introduction:

In mitochondri, aitricacid cycle occurs immediately after glycolysis. It is regulated by the cell’s energyrequirement. When the cellrequires energy, citric acid cycle is stimulate, dhereas it will in inhibited when energy is not needed.

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Answer 5

Chapter 9, Problem 11RQ

Summary Introduction

To review:

The conditions that indicate low energy status and providedescription of the impact that each of the following conditions will have on flux (through the citric acid cycle):

a. High NADH/NAD⁺ (Nicotinamide adenine dinucleotide) ratio

b. High ATP/ADP (adenosine triphosphate/adenosine diphosphate) ratio

c. High acetyl-CoA (Coenzyme A) concentration

d. Low citrate concentration

e. High succinyl-CoA concentration.

Introduction:

In mitochondri, aitricacid cycle occurs immediately after glycolysis. It is regulated by the cell’s energyrequirement. When the cellrequires energy, citric acid cycle is stimulate, dhereas it will in inhibited when energy is not needed.

Answer 6

Chapter 9, Problem 11RQ

Summary Introduction

To review:

The conditions that indicate low energy status and providedescription of the impact that each of the following conditions will have on flux (through the citric acid cycle):

a. High NADH/NAD⁺ (Nicotinamide adenine dinucleotide) ratio

b. High ATP/ADP (adenosine triphosphate/adenosine diphosphate) ratio

c. High acetyl-CoA (Coenzyme A) concentration

d. Low citrate concentration

e. High succinyl-CoA concentration.

Introduction:

In mitochondri, aitricacid cycle occurs immediately after glycolysis. It is regulated by the cell’s energyrequirement. When the cellrequires energy, citric acid cycle is stimulate, dhereas it will in inhibited when energy is not needed.

Answer 7

Chapter 9, Problem 11RQ

Summary Introduction

To review:

The conditions that indicate low energy status and providedescription of the impact that each of the following conditions will have on flux (through the citric acid cycle):

a. High NADH/NAD⁺ (Nicotinamide adenine dinucleotide) ratio

b. High ATP/ADP (adenosine triphosphate/adenosine diphosphate) ratio

c. High acetyl-CoA (Coenzyme A) concentration

d. Low citrate concentration

e. High succinyl-CoA concentration.

Introduction:

In mitochondri, aitricacid cycle occurs immediately after glycolysis. It is regulated by the cell’s energyrequirement. When the cellrequires energy, citric acid cycle is stimulate, dhereas it will in inhibited when energy is not needed.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 9 - Prob. 1Q Ch. 9 - Prob. 2Q Ch. 9 - Prob. 3Q Ch. 9 - Prob. 4Q Ch. 9 - Prob. 5Q Ch. 9 - Prob. 6Q Ch. 9 - Prob. 7Q Ch. 9 - Prob. 1RQ Ch. 9 - Prob. 2RQ Ch. 9 - Prob. 3RQ

Solution Summary: The author explains that high NADH/NAD + ratio indicates that the cell is in energy-sufficient state, and high ATP/ADP ratio inhibits pyruvate dehydrogenase

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Chapter 9 Solutions