Exam 18: Electron Transport and Oxidative Phosphorylation

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Which of the following statements about the mitochondrial inner membrane is TRUE? I.The inner membrane is permeable to CO₂, H₂O, and small ions. II.The inner membrane contains several transport proteins and membrane bound Enzymes. III.In general, a higher inner membrane surface area correlates to a higher rate of Respiration. IV.The number of cristae reflects the respiratory activity of the cell.

(Multiple Choice)

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Question 41

Matching Choose the correct answer from the list. Not all the answers will be used. -Protons moving through a transmembranc channel by "jumping" through an arrangement of hydrogen-bonded groups are described as moving through a proton ______.

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Question 42

Use the table below to rank the redox centers in order to produce a favorable electron flow.

(Multiple Choice)

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Question 43

Matching Choose the correct answer from the list. Not all the answers will be used. -Molecules that prevent oxidative damage by the superoxide radical possess ______ properties.

(Multiple Choice)

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Question 44

In a newly discovered electron transport complex a researcher has identified the redox center Fe-S, cytochrome c, and coenzyme Q.The researcher also knows that this complex ultimately passes its electrons to oxygen.What is most likely the redox center which completes this task?

(Multiple Choice)

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Question 45

The electrons formed from the aerobic oxidation of glucose are I.ultimately transferred to O₂ after several other transfer reactions. II.transferred to the coenzymes NAD⁺ and FAD. III.directly transferred to O₂ during the citric acid cycle. IV.transferred to succinate and arachidonic acid.

(Multiple Choice)

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Question 46

In the electron transport chain, electrons are passed from redox center to redox center ____.

(Multiple Choice)

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Question 47

According to the proposed reaction sequence presented in the chapter, cytochrome c oxidase obtains a fourth electron from a ____ residue adjacent to the heme a₃-ligated O₂, thus forming a transient radical.

(Multiple Choice)

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Question 48

Matching Choose the correct answer from the list. Not all the answers will be used. -Complexes I and II each transfer electrons to ______.

(Multiple Choice)

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Question 49

Based on the estimation presented in the chapter, how many ATP per glucose are synthesized by the aerobic metabolism in eukaryotes?

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Question 50

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Matching Choose the correct answer from the list. Not all the answers will be used. -Protons moving through a transmembranc channel by "jumping" through an arrangement of hydrogen-bonded groups are described as moving through a proton ______.

Use the table below to rank the redox centers in order to produce a favorable electron flow.

Matching Choose the correct answer from the list. Not all the answers will be used. -Molecules that prevent oxidative damage by the superoxide radical possess ______ properties.

In a newly discovered electron transport complex a researcher has identified the redox center Fe-S, cytochrome c, and coenzyme Q.The researcher also knows that this complex ultimately passes its electrons to oxygen.What is most likely the redox center which completes this task?

The electrons formed from the aerobic oxidation of glucose are I.ultimately transferred to O₂ after several other transfer reactions. II.transferred to the coenzymes NAD⁺ and FAD. III.directly transferred to O₂ during the citric acid cycle. IV.transferred to succinate and arachidonic acid.

In the electron transport chain, electrons are passed from redox center to redox center ____.

According to the proposed reaction sequence presented in the chapter, cytochrome c oxidase obtains a fourth electron from a ____ residue adjacent to the heme a₃-ligated O₂, thus forming a transient radical.

Matching Choose the correct answer from the list. Not all the answers will be used. -Complexes I and II each transfer electrons to ______.

Based on the estimation presented in the chapter, how many ATP per glucose are synthesized by the aerobic metabolism in eukaryotes?

Introduction to the Chemistry of Life

Water

Nucleotides, Nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, Inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glycogen Metabolism and Gluconeogenesis

Glucose Catabolism

Citric Acid Cycle

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Mammalian Fuel Metabolism: Integration and Regulation

Nucleotide Metabolism

Nucleic Acid Structure

Dna Replication, Repair and Recombination

Transcription and Rna Processing

Translation

Regulation of Gene Expression

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Exam 18: Electron Transport and Oxidative Phosphorylation

Matching Choose the correct answer from the list. Not all the answers will be used. -Protons moving through a transmembranc channel by "jumping" through an arrangement of hydrogen-bonded groups are described as moving through a proton ______.

Use the table below to rank the redox centers in order to produce a favorable electron flow.

Matching Choose the correct answer from the list. Not all the answers will be used. -Molecules that prevent oxidative damage by the superoxide radical possess ______ properties.

In a newly discovered electron transport complex a researcher has identified the redox center Fe-S, cytochrome c, and coenzyme Q.The researcher also knows that this complex ultimately passes its electrons to oxygen.What is most likely the redox center which completes this task?

The electrons formed from the aerobic oxidation of glucose are I.ultimately transferred to O2 after several other transfer reactions. II.transferred to the coenzymes NAD+ and FAD. III.directly transferred to O2 during the citric acid cycle. IV.transferred to succinate and arachidonic acid.

In the electron transport chain, electrons are passed from redox center to redox center ____.

According to the proposed reaction sequence presented in the chapter, cytochrome c oxidase obtains a fourth electron from a ____ residue adjacent to the heme a3-ligated O2, thus forming a transient radical.

Matching Choose the correct answer from the list. Not all the answers will be used. -Complexes I and II each transfer electrons to ______.

Based on the estimation presented in the chapter, how many ATP per glucose are synthesized by the aerobic metabolism in eukaryotes?

Introduction to the Chemistry of Life

Water

Nucleotides, Nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, Inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glycogen Metabolism and Gluconeogenesis

Glucose Catabolism

Citric Acid Cycle

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Mammalian Fuel Metabolism: Integration and Regulation

Nucleotide Metabolism

Nucleic Acid Structure

Dna Replication, Repair and Recombination

Transcription and Rna Processing

Translation

Regulation of Gene Expression

Filters

The electrons formed from the aerobic oxidation of glucose are I.ultimately transferred to O₂ after several other transfer reactions. II.transferred to the coenzymes NAD⁺ and FAD. III.directly transferred to O₂ during the citric acid cycle. IV.transferred to succinate and arachidonic acid.

According to the proposed reaction sequence presented in the chapter, cytochrome c oxidase obtains a fourth electron from a ____ residue adjacent to the heme a₃-ligated O₂, thus forming a transient radical.