Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 10, Problem 10.6CC
How does the ATP synthase complex convert the potential energy of the
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Chapter 10 Solutions
Becker's World of the Cell (9th Edition)
Ch. 10 - Aerobic respiration uses an external electron...Ch. 10 - Working with 3-D TEM often involves the difficult...Ch. 10 - Explain how the location and organization of the...Ch. 10 - As pyruvate is completely oxidized to CO2 in the...Ch. 10 - Why are the electron carriers in the ETS arranged...Ch. 10 - How is the chemical energy that is released as...Ch. 10 - How does the ATP synthase complex convert the...Ch. 10 - Where do the 38 ATP molecules produced during...Ch. 10 - Localization of Molecules and Functions Within the...Ch. 10 - Localization of Molecules and Functions Within the...
Ch. 10 - True or False. Indicate whether each of the...Ch. 10 - Mitochondrial Transport. For aerobic respiration,...Ch. 10 - Completing the Pathway. In each of the following...Ch. 10 - QUANTITATIVE The Calculating Cell Biologist. Use...Ch. 10 - Prob. 10.7PSCh. 10 - Regulation of Catabolism. Explain the advantage to...Ch. 10 - Lethal Synthesis. The leaves of Dichapetalum...Ch. 10 - QUANTITATIVE Oxidation of Saturated Fatty Acids....Ch. 10 - Oxidation of Cytosolic NADH. In some eukaryotic...Ch. 10 - Brown Fat and Thermogenin. Most newborn mammals,...Ch. 10 - Prob. 10.13PS
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- When muscle cells run out of oxygen, what happens to the potential for energy extraction from sugars and what pathways do the cell use?arrow_forwardDCCD (diocyclohexylcarbodiimide) inhibits oxidative phosphorylation when the substrate is mitochondrial NADH. DCCD is a drug that binds to ATP synthase and blocks proton transport through the ion channel. a) Explain what the consequences of DCCD on cellular energy production are. b) Suggest at least one other cellular effect of DCCD and explain this effect.arrow_forwardWhat steps in glycolysis generate substrate-level phosphorylation, and how many ATP molecules are generated in this way in this pathway? How does the generation of ATP by substrate-level phosphorylation differ from ATP generation by oxidative phosphorylation?arrow_forward
- A proton gradient is created during the electron transport chain using the energy released from the oxidation of NADH and FADH2. The protons then cross the membrane through ATP synthase down their electrochemical gradient, and ATP is produced. This is an example of A) energy coupling B) cotransport C) allosteric regulation.arrow_forwardHow does the proton motive force lead to production of ATP? A) ATPase requires one proton to make one ATP. B) Protons must be pumped against a concentration gradient from outside of the cell into the cell to rotate the F0 subunit of ATPase for the F1 subunit to make ATP. C) Oxidative phosphorylation of ADP by ATP synthase requires protons as cofactors in the reaction. D) Translocation of three to four protons drives the F0 component of ATPase, which in turn phosphorylates one ADP into ATP.arrow_forwardthe reaction catalyzed by glyceradehyde 3-phosphate dehydrigenase is based on NAD+ and a active site cysteine. Also another phosphate group is added. what is the reason for that? a) because one ATP is consumed b) an inorganic phosphate is activated for ATP synthesis C) NADH can be recycld and than converted back to NAD+ for glycolysis d) because one ATP is generatedarrow_forward
- Processes taking place in the mitochondrion convert the chemical potential energy of NADH into the chemical potential energy of ATP. A proton concentration gradient (Δ[H+]) is part of this process. Describe exactly where this gradient is located, and how the gradient is produced. In terms of the gradient, where is the higher [H+] and where is the lower [H+]?arrow_forwardArrange the sequence of events in Oxidative Phosphorylation. (1-5) As the H+ ions move through the ATP synthase it'll provide the power to make the ATP synthase to turn. As it turns, a phosphate group is added to an ADP, forming a proton gradient-energy as ATP. With the help of a channel protein called ATP synthase, these H* ions are transferred back to the matrix. The electrons are passed to another electron carrier called cytochrome C (cyt C), which carries the = electrons to enzyme complex IV. Here, the last batch of H* ions are pumped into the intermembrane space. Enzyme complexes I and Il then transport the electrons through ubiquinone (Q), a mobile electron carrier. Q is reduced to QH, in the process and delivers the electrons to enzyme complex III. As this happens, more H* ions are pumped into the intermembrane space. The NADH and FADH2 produced from the previous stages of cellular respiration bring electrons across the transport chain to initiate the oxidative phosphorylation.arrow_forwardWhatis the main idea behind the conformational coupling mechanism for ATP synthase? Describe the three conformational states.arrow_forward
- ATP synthase is composed of two oligomeric proteins, F and F₁. What is the function and purpose of each protein complex?arrow_forwardV-class proton pumps run backward relative to the F-class ATP synthase. Consider the cartoon, which shows the conformations of the beta-subunits and ATPIADP + Pj of the F-class synthase. Which of the following associations between the conformation of the beta subunit and ATP/ADP + P¡ is correct for V- Binding Change Mechanism loose binding ADP+P ATP ATP class pumps? C repeat ADP + P, ADP АТР tight binding АТР +P оpen АТР O The open conformation releases ATP. Hydrolysis of ATP to ADP + P¡ drives the change from tight to loose. O Binding of ADP + P¡ drives change from open to loose. Hydrolysis of ATP to ADP + Pj drives the change from open to loose.arrow_forwardHow many ATP are produced when 3 moles of FADH2 enter the electron transport chain?arrow_forward
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