A simplistic interpretation of the Q cycle would predict that the proton pumping efficiency of cytochrome bc 1 would be reduced by not more than 50% in the presence of saturating amounts of antimycin A. Concept introduction: Q cycle is a part of electron transport chain that helps for sequential transfer of electrons to oxygen in order to avoid the formation of oxy radicals. Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria.

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Answer 1

Question

Chapter 18, Problem 41CQ

(a)

Summary Introduction

To explain: A simplistic interpretation of the Q cycle would predict that the proton pumping efficiency of cytochrome bc₁ would be reduced by not more than 50% in the presence of saturating amounts of antimycin A.

Concept introduction: Q cycle is a part of electron transport chain that helps for sequential transfer of electrons to oxygen in order to avoid the formation of oxy radicals. Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria.

(b)

Summary Introduction

To explain: The reason why cytochrome bc₁ is nearly inhibited by antimycin A.

Concept introduction: Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria. Cytochromes are electron carriers between complex III and complex IV of electron transport chain.

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Answer 2

Question

Chapter 18, Problem 41CQ

(a)

Summary Introduction

To explain: A simplistic interpretation of the Q cycle would predict that the proton pumping efficiency of cytochrome bc₁ would be reduced by not more than 50% in the presence of saturating amounts of antimycin A.

Concept introduction: Q cycle is a part of electron transport chain that helps for sequential transfer of electrons to oxygen in order to avoid the formation of oxy radicals. Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria.

(b)

Summary Introduction

To explain: The reason why cytochrome bc₁ is nearly inhibited by antimycin A.

Concept introduction: Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria. Cytochromes are electron carriers between complex III and complex IV of electron transport chain.

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Answer 3

Question

Chapter 18, Problem 41CQ

(a)

Summary Introduction

To explain: A simplistic interpretation of the Q cycle would predict that the proton pumping efficiency of cytochrome bc₁ would be reduced by not more than 50% in the presence of saturating amounts of antimycin A.

Concept introduction: Q cycle is a part of electron transport chain that helps for sequential transfer of electrons to oxygen in order to avoid the formation of oxy radicals. Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria.

(b)

Summary Introduction

To explain: The reason why cytochrome bc₁ is nearly inhibited by antimycin A.

Concept introduction: Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria. Cytochromes are electron carriers between complex III and complex IV of electron transport chain.

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Answer 4

Question

Chapter 18, Problem 41CQ

(a)

Summary Introduction

To explain: A simplistic interpretation of the Q cycle would predict that the proton pumping efficiency of cytochrome bc₁ would be reduced by not more than 50% in the presence of saturating amounts of antimycin A.

Concept introduction: Q cycle is a part of electron transport chain that helps for sequential transfer of electrons to oxygen in order to avoid the formation of oxy radicals. Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria.

(b)

Summary Introduction

To explain: The reason why cytochrome bc₁ is nearly inhibited by antimycin A.

Concept introduction: Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria. Cytochromes are electron carriers between complex III and complex IV of electron transport chain.

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Answer 5

Chapter 18, Problem 41CQ

(a)

Summary Introduction

To explain: A simplistic interpretation of the Q cycle would predict that the proton pumping efficiency of cytochrome bc₁ would be reduced by not more than 50% in the presence of saturating amounts of antimycin A.

Concept introduction: Q cycle is a part of electron transport chain that helps for sequential transfer of electrons to oxygen in order to avoid the formation of oxy radicals. Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria.

(b)

Summary Introduction

To explain: The reason why cytochrome bc₁ is nearly inhibited by antimycin A.

Concept introduction: Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria. Cytochromes are electron carriers between complex III and complex IV of electron transport chain.

Answer 6

Chapter 18, Problem 41CQ

(a)

Summary Introduction

To explain: A simplistic interpretation of the Q cycle would predict that the proton pumping efficiency of cytochrome bc₁ would be reduced by not more than 50% in the presence of saturating amounts of antimycin A.

Concept introduction: Q cycle is a part of electron transport chain that helps for sequential transfer of electrons to oxygen in order to avoid the formation of oxy radicals. Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria.

Answer 7

Chapter 18, Problem 41CQ

(a)

Summary Introduction

To explain: A simplistic interpretation of the Q cycle would predict that the proton pumping efficiency of cytochrome bc₁ would be reduced by not more than 50% in the presence of saturating amounts of antimycin A.

Concept introduction: Q cycle is a part of electron transport chain that helps for sequential transfer of electrons to oxygen in order to avoid the formation of oxy radicals. Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria.

Answer 8

(b)

Summary Introduction

To explain: The reason why cytochrome bc₁ is nearly inhibited by antimycin A.

Concept introduction: Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria. Cytochromes are electron carriers between complex III and complex IV of electron transport chain.

Answer 9

(b)

Summary Introduction

To explain: The reason why cytochrome bc₁ is nearly inhibited by antimycin A.

Concept introduction: Antimycin A is antibiotic produced by Streptomyces that inhibits the electron transport chain of mitochondria. Cytochromes are electron carriers between complex III and complex IV of electron transport chain.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 18 - Prob. 1E Ch. 18 - 2. Certain genetic diseases caused by defective...Ch. 18 - 3. How many ATPs are synthesized for every...Ch. 18 - 4. How many ATPs are synthesized for every...Ch. 18 - 5. Explain why defects in mitochondrial genes...Ch. 18 - 6. Deficiencies of the components of Complexes I,...Ch. 18 - 7. Calculate ?G°+ for the oxidation of free FADH2...Ch. 18 - 8. Show that the free energy change for the...Ch. 18 - Prob. 9E Ch. 18 - Prob. 10E

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