1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 7, Problem 5A
Summary Introduction
Introduction:
The electron transport chain is the final stage of aerobic respiration. It is also known as oxidative phosphorylation that means the phosphorylation of the ADP molecule occurs in the presence of oxygen to release energy.
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Which of the following statements concerning ATP synthesis is NOT true?
a.
The open conformation of the ATP synthase is for releasing ATP.
b.
The gamma subunit in the stalk responds to the flow of H+ and rotates the assembly counterclockwise and thus change the conformations of the active site to synthesize ATP.
c.
The tight conformation of the ATP synthase is for converting ADP and phosphate to ATP.
d.
The loose conformation of the ATP synthase is for binding ADP and phosphate.
e.
Ten protons are required to catalyze the rotation of the subunits so that one ATP is synthesized.
Clear my choice
Which of the following statements about the generation of ATP in the electron transport chain is correct?
a. The generation of ATP from ADP coupled to electron transfer occurs by substrate level phosphorylation as in glycolysis.
b. ATP synthase generation of ATP involves a rotating structure inside the inner mitochondrial membrane.
c. ATP synthase generation of ATP involves a rotating structure outside the inner mitochondrial membrane.
d. Electron transport generates a proton gradient across the outer mitochondrial membrane.
Which of the following statements is TRUE of the electron transport chain (ETC)?
A. The movement of electrons down the ETC drives the formation of a proton (H+) gradient.
B. The movement of H+ ions through ATP synthase drives the transfer of electrons down the ETC.
C. The movement of electrons down the ETC drives the movement of ADP and phosphate through ATP synthase.
D. The movement of H+ ions across the inner membrane of the mitochondria drives the transfer of electrons down the ETC.
Chapter 7 Solutions
1 SEM ACC W/RAVEN CARDED
Ch. 7.1 - Prob. 1LOCh. 7.1 - Explain the role of electron carriers in energy...Ch. 7.1 - Prob. 3LOCh. 7.2 - Prob. 1LOCh. 7.2 - Calculate the energy yield from glycolysis.Ch. 7.2 - Distinguish between aerobic respiration and...Ch. 7.3 - Prob. 1LOCh. 7.4 - Relate the nine reactions of the citric acid cycle...Ch. 7.4 - Diagram the oxidation reactions in the citric acid...Ch. 7.5 - Prob. 1LO
Ch. 7.5 - Prob. 2LOCh. 7.6 - Calculate the number of ATP molecules produced by...Ch. 7.7 - Prob. 1LOCh. 7.8 - Prob. 1LOCh. 7.8 - Distinguish between fermentation and anaerobic...Ch. 7.9 - Identify the entry points for proteins and fats in...Ch. 7.9 - Prob. 2LOCh. 7.10 - Prob. 1LOCh. 7 - Prob. 1DACh. 7 - Prob. 1UCh. 7 - Prob. 2UCh. 7 - Which of the following is NOT a product of...Ch. 7 - Glycolysis produces ATP by a. phosphorylating...Ch. 7 - What is the role of NAD+ in the process of...Ch. 7 - Prob. 6UCh. 7 - The electrons carried by NADH and FADH2 can be a....Ch. 7 - Prob. 1ACh. 7 - Prob. 2ACh. 7 - Prob. 3ACh. 7 - What is the importance of fermentation to cellular...Ch. 7 - Prob. 5ACh. 7 - A chemical agent that makes holes in the inner...Ch. 7 - Prob. 7ACh. 7 - Use the following table to outline the...Ch. 7 - Human babies and hibernating or cold-adapted...Ch. 7 - Recent data indicate a link between colder...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- ATP production during the Electron Transport Chain is driven by which of the following? A. Movement of H+ ions across mitochondrial membranes via ATP synthase B. Movement of electrons down a gradient of charge C. Oxygen accepting H+ ions D. NADH and FADH2 donating phosphate to ADP E. Release of CO2arrow_forwardDuring oxidative phosphorylation, the proton motive force that is generated by electron transport is used to: a. Generate the substrates (ADP and Pi) for the ATP synthase. b. Create a pore in the inner mitochondrial membrane. c. Oxidize NADH to NAD+. d. Induce a conformational change in the ATP synthase.arrow_forwardPut the following pathways in the order they occurduring aerobic respiration.a. electron transfer phosphorylationb. acetyl–CoA formationc. citric acid cycled. glycolysisarrow_forward
- Anaerobic respiration differs from aerobic respiration in that . . A. the electron transport chain is not used in anaerobic respiration. B. more ATP is produced in the TCA cycle of anaerobic respiration. C. only aerobes can use glucose. D.anaerobes employ a different final electron acceptor than aerobes.arrow_forwardwhich of the following woudl decrease the number of atp molecules generated per nadh molecule in the electron transport chain? a. increasing the energy of the electrons nadh transfer to complex I b. reducing the number of protons required by ATP synthase to produce an ATP moelcule c. having nadh transfer its elections to complex III instead of complex I d. increasing the amount of oxygen available to the cellarrow_forwardIn what aerobic respiration process does oxygen is needed to accept electron from complex IV? A. Chemiosmosis B. Electron transport chain C. Glycolysis D. Krebs cycle Both cellular respiration and photosynthesis produce adenosine triphosphate. How many ATPs are produced in cellular respiration? A. 26-30 B. 30-32 C. 34-38 D. 40-44 Which of the following are the types of fermentation? A. alcoholic and lactic acid B. aerobic and fermentation C. cellular respiration and photosynthesis D. glycolysis cellular respiration and photosynthesisarrow_forward
- If glucose was no longer available, electron transport activity chain would: a. decrease b. increase c. remain the samearrow_forwardUnder normal conditions, as electrons flow down the electron transport chain of the mitochondria: a. All of them are correct b. NADH and FADH2 are oxidized c. The pH of the matrix increases d. An electrochemical gradient is formed e. The electrons lose free energyarrow_forwardIn chemiosmotic phosphorylation, what is the most direct source of energy that is used to convert ADP + Pi to ATP? A. No external source of energy is required because the reaction is exergonic. B. energy released from high energy electrons given by NADH and FADH2 C. energy released from ATP synthase pumping hydrogen ions from the mitochondrial matrix D. energy released as electrons flow through the electron transport system E. energy released from movement of protons through ATP synthase F. energy released from substrate-level phosphorylationarrow_forward
- All stages of cellular respiration are decreased in conditions of insufficient oxygen except a. glycolysis. b. the intermediate stage. c. the citric acid cycle. d. the electron transport system.arrow_forwardWhich feature of anaerobic and aerobic respiration is different? Select one: a.Use of electron transport system b.Use of the Electron Donor c.Use of proton motive force d.None of the Above e.Use of the Electron Acceptorarrow_forwardIn chemiosmosis, discover the most direct source of energy that is used to convert ADP + Pi to ATP. * A. energy released as electrons flow through the electron transport system. B. energy released from substrate-level phosphorylation. C. energy released from ATP synthase pumping hydrogen ions against their concentration gradient. D. energy released from movement of protons through ATP synthase.arrow_forward
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