Which electrically-neutral molecules are generated when complex IV (of the mitochondrial electron transport chain) adds 4 electrons and 4 protons to one molecule of diatomic oxygen gas? two molecules of the superoxide free radical two molecules of hydrogen peroxide two molecules of water two molecules of the hydroxide ion two molecules of the hydroxyl free radical

Which electrically-neutral molecules are generated when complex IV (of the mitochondrial electron transport chain) adds 4 electrons and 4 protons to one molecule of diatomic oxygen gas? two molecules of the superoxide free radical two molecules of hydrogen peroxide two molecules of water two molecules of the hydroxide ion two molecules of the hydroxyl free radical

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter7: Cellular Respiration: Harvesting Chemical Energy

Section: Chapter Questions

Problem 4TYK

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What electrically-neutral molecule is generated when complex IV (of the mitochondrial electron transport chain) adds 2 electrons and 2 protons to one molecule of diatomic oxygen gas? one molecule of hydrogen peroxide one molecule of the superoxide free radical one molecule of the hydroxide ion one molecule of the hydroxyl free radical one molecule of water
What uncharged substrate molecule is reduced to 2 molecules of water, in the mitochondrial electron transport chain, by the addition of exactly 2 protons and 2 electrons to this molecule (by complex IV)? one molecule of diatomic oxygen gas one molecule of the superoxide free radical one molecule of hydrogen peroxide one molecule of the hydroxyl free radical one molecule of the hydroxide ion
Which of the following electron carriers diffuses within the inner mitochondrial membrane to transport electrons? A. Cytochrome c B. Flavoproteins C. Fe-S Cluster Proteins D. Ubiquinol
Which of the following substances can deliver electrons to the ETC to help pump out H+ across the inner mitochondrial membrane? A. NADH B. FADH2 C. NAD+ D. FAD E. H2O A, B and E C and D A and B A, B, C, D
During aerobic respiration in the mitochondria of eukaryotes, which product molecules contain the oxygen atoms that started out in substrate diatomic oxygen gas molecules? carbon dioxide only C6H12O6 only glucose only CO2 only H2O only
During aerobic respiration in the mitochondria of eukaryotes, which product molecules contain the oxygen atoms that started out in substrate diatomic oxygen gas molecules? cell biology carbon dioxide only C6H12O6 only glucose only CO2 only H2O only
Which of the following components of the mitochondrial electron transport chain is the only one to be considered a peripheral protein? cell biology the cytochrome a-a3 complex the cytochrome c oxidase complex coenzyme Q (ubiquinone) the cytochrome b-c1 complex cytochrome c
Which of the following is the major source of electrons that flow through the mitochondrial electron transport chain? (a) H2 0 (b) ATP (c) NADH (d) ATP synthase (e) coenzyme A
What is the role of each of the following in the electron transport chain: (a) FADH 2; (b) ADP; (c) ATP synthase; (d) the inner mitochondrial membrane?
Cyanide is a poisonous substance. Cyanide is a cytochrome c oxidase inhibitor that is competitive. The last enzyme of the electron transport chain in mitochondria is cytochrome c oxidase. One of the most common substrates for cytochrome c oxidase is oxygen.Would an increase in the concentration of oxygen affect the inhibitioncaused by cyanide?How would conditions in the mitochondrial intermembrane spacechange if cytochrome c oxidase and the electron transport chain are notfunctioning properly.. Explain why this change in conditions will be harmful to a cell.
Which of the following components of the mitochondrial electron transport chain is not integral to the inner mitochondrial membrane (of a typical eukaryotic cell)? the cytochrome c oxidase complex coenzyme Q (ubiquinone) the cytochrome b-c1 complex cytochrome c the cytochrome a-a3 complex
Which of the following correctly describes where each process takes place in eukaryotic cells? a. conversion of pyruvate to acetyl CoA – mitochondrial matrix b. glycolysis – mitochondrial matrix c. ATP synthase – ATP synthesized in cytosol using proton motive force d. electron transport chain – electron carrier proteins embedded in outer mitochondrial membrane e. citric acid cycle – cytosol