Draw and label a lipid bilayer containing the large mitochondrial trans-membrane protein complexes representing complex I, II, III, and IV, and ATP Synthase. Make two more of these drawings. Label the first one mitochondrial electron source and using a different ink color, indicate the

Draw and label a lipid bilayer containing the large mitochondrial trans-membrane protein complexes representing complex I, II, III, and IV, and ATP Synthase. Make two more of these drawings. Label the first one mitochondrial electron source and using a different ink color, indicate the

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Description: Draw and label a lipid bilayer containing the large mitochondrial trans-membrane protein complexes representing complex I, II, III, and IV, and ATP Synthase. Make two more of these drawings.Label the first one mitochondrial electron source and using

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter2: Cell Physiology

Section: Chapter Questions

Problem 10RE: Using the answer code on the right, indicate which form of energy production is being described: 1....

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Draw and label a lipid bilayer containing the large mitochondrial trans-membrane protein complexes representing complex I, II, III, and IV, and ATP Synthase. Label your diagrams with the correct names for the membranes, Make two more of these drawings. Label the first one mitochondrial electron source and using a different ink color, indicate the source(s) of electrons. Label the second mitochondrial energy source, and indicate the source of energy driving the electron transport chain. In the third, label the mitochondrial electron acceptor in its proper position. Also include ATP synthase (in its correct orientation-the spherical part is on the opposite side of the membrane as the H+ reservoir). Use a different color of ink to show where the protons (H+) are pumped to drive ATP synthesis. also indicate where ATP is generated and were the power is stored to generate ATP. NOW, do the same thing with chloroplasts. Draw and label a lipid bilayer containing the large photosynthetic…
It has taken considerable amounts of research to establish the number of protons pumped across the mitochondrial membrane at the various stages of electron transport.Would you expect to encounter difficulties in determining thenumber of protons pumped in electron transport across the thylakoid membrane? Why or why not?
Where is ATP produced by oxidative phosphorylation? (where is it located immediately after the moment of synthesis) Group of answer choices the mitochondrial matrix the cytoplasm the intermembrane space the inner mitochondrial membrane Which of the following most readily donates electrons? (strongest reducing agent) Group of answer choices NADH NAD+ Ubiquinone lactate Protons first enter ATP synthase through which subunit? Group of answer choices β c γ a
What is the major route for protons moving from the inter membrane space back into the mitochondrial matrix during oxidative phosphorylation? 1. Protons carried across the membrane by a molecule of dinitrophenol 2. Protons are transported along with ADP by the ATP/ADP translocase.3. Protons enter the half channel in subunit a facing the inter membrane space and exit via the half channel facing the mitochondrial matrix. Choose 1 correct answer explain? Give typing answer with explanation and conclusion
Draw a simple sketch illustrating an inner mitochondrial membrane that is actively involved in chemiosmosis and label the two compartments it separates. Add the ATP synthase complex, indicate the proton gradient, and specify in which compartment ATP is synthesized.
Below is a diagram of the mitochondrial electron transport chain. Arrows indicate the direction of electron flow between the components of this chain. Identify each lettered item by filling in the blanks below the diagram.
Uncoupling agents are proteins spanning the inner mitochondrial membrane that allow protons to pass through the membrane and bypass the channel of ATP synthase. Describe the consequences to the proton gradient and ATP production.?
During the FADH2 electron transport chain, the protons are pumped from the mitochondrial matrix to the intermembrane space through complexes CoQ/III, and IV the protons are pumped from the mitochondrial matrix to the intermembrane space through complexes I, CoQ/III, and IV the protons are pumped from the mitochondrial matrix to the intermembrane space through complexes I, CoQ/II, and IV the protons are pumped from the mitochondrial matrix to the outer mitochondrial membrane through complexes I, III, and IV
When the antibiotic X is added to actively respiring mitochondria, several things happen: the yield of ATP decreases, the rate of O2 consumption increases, heat is released, and the pH gradient across the inner mitochondrial membrane increases. Does X act as an uncoupler or an inhibitor of oxidative phosphorylation? Explain the experimental observations in terms of the antibiotic’s ability to transfer K+ ions across the inner mitochondrial membrane.
Which of the following drives the electron transfer from coenzyme Q to cytochrome c, which also results to the pumping of protons from the mitochondrial matrix to the intermembrane space? Complex I Complex II Complex III Complex IV If 2 molecules of FADH2 are oxidized during oxidative phosphorylation, how many molecules of ATP are synthesized? Your answer should be a numerical input.
Figures A and B show ion H+ flow across membranes and ATP generation through membrane-bound ATP synthase. Which of the following best describes the specific gradients driving ATP synthesis in figures A and B? Figure A shows the proton gradient during oxidative phosphorylation in mitochondria, while figure B shows the proton gradient during photophosphorylation in chloroplasts. Figure A shows the NAD+ gradient during oxidative phosphorylation in mitochondria, while figure B shows the NADPH gradient during photophosphorylation in chloroplasts. Figure A shows the NAD+ gradient during the Krebs cycle and chemiosmosis in mitochondria, while figure B shows the NADPH gradient during the Calvin cycle and chemiosmosis in chloroplasts. Figure A shows the proton gradient during the Krebs cycle and chemiosmosis in mitochondria, while figure B shows the proton gradient during the Calvin cycle and chemiosmosis in chloroplasts.
Which of the following statements is NOT true about the electron transport chain (ETC) and oxidative phosphorylation? (Only one answer applies) A. Oxidative phosphorylation requires the enzyme complexes to be soluble in the mitochondrial matrix. B. If the proton gradient is too high, electrons will not move through the ETC. C. The movement of electrons down the ETC only happens if protons are pumped out of the mitochondrial matrix. D. Oxidative phosphorylation requires the mitochondrial intermembrane space to be more positively charged than the matrix. E. The free energy of the proton gradient can be used to create high energy bonds.