Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 8, Problem 6TYU
In mechanism, photophosphorylation is most similar to
- A. substrate-level phosphorylation in glycolysis.
- B. oxidative phosphorylation in
cellular respiration . - C. carbon fixation.
- D. reduction of NADP+
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Students have asked these similar questions
Plants are less susceptible to cyanide poisoning than animals because
A. Plant ETC membranes are deficient in transporter proteins for the cyanide ion.
B. The plant ETC has an alternative route for the reduction of oxygen that involves the “alternative oxidase” enzyme.
C. Plants can rely on photosynthesis alone to generate proton gradients that are used to power secondary metabolic pathways.
D. Plants utilize a pentose phosphate pathway to generate energy.
Which of the following statements is correct?
a. Glycolysis and Krebs cycle produce ATP in substrate level phosphorylation
b. Glycolysis and Krebs cycle produce ATP in oxidative level phosphorylation.
c. Glycolysis and pyruvate oxidation produce ATP in substrate level phosphorylation.
d. Glycolysis and pyruvate oxidation produce ATP in oxidative level phosphorylation.
What fundamental difference sets apart anaerobic respiration from aerobic respiration?
a.
Anaerobic respiration does not have Krebs Cycle.
b.
Anaerobic respiration does not have an electron transport chain.
c.
Anaerobic respiration involves substrate-level phosphorylation only.
d.
Anaerobic respiration utilizes electronegative compounds such as nitrates as final electron acceptor.
Chapter 8 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 8.1 - How do the reactant molecules of photosynthesis...Ch. 8.1 - How did the use of an oxygen isotope help...Ch. 8.1 - WHAT IF? The Calvin cycle requires ATP and NADPH,...Ch. 8.2 - What color of light is least effective in driving...Ch. 8.2 - In the light reactions, what is the initial...Ch. 8.2 - Prob. 3CCCh. 8.3 - MAKE CONNECTIONS How are the large numbers of ATP...Ch. 8.3 - WHAT IF? Explain why a poison that inhibits an...Ch. 8.3 - Prob. 3CCCh. 8 - The light reactions of photosynthesis supply the...
Ch. 8 - Which of the following sequences correctly...Ch. 8 - How is photosynthesis similar in C4, plants and...Ch. 8 - Which of the following statements is a correct...Ch. 8 - Which of the following does not occur during the...Ch. 8 - In mechanism, photophosphorylation is most similar...Ch. 8 - Prob. 7TYUCh. 8 - To synthesize one glucose molecule, the Calvin...Ch. 8 - SCIENCE, TECHNOLOGY, AND SOCIETY Scientific...Ch. 8 - DRAW IT The following diagram represents an...Ch. 8 - Prob. 11TYUCh. 8 - Prob. 12TYUCh. 8 - FOCUS ON ENERGY AND MATIER Life is solar powered....Ch. 8 - SYNTHESIZE YOUR KNOWLEDGE Watermelon snow in...
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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 choicearrow_forwardYou have discovered a novel peptide that, when administered to plant cells, spontaneously inserts into the thylakoid membranes and forms a channel that lets protons cross the membrane. You treat plant cells growing normally with your peptide. Which of the following statements correctly describes the effect on photosynthesis shortly after the addition of the peptide? Select all that are true. a. The rate of Glyceraldehyde 3-phosphate synthesis will decrease b. The rate of oxygen production will be unaffected c. The rate of Glyceraldehyde 3-phosphate synthesis will increase d. The rate of oxygen production will decrease e. The rate of oxygen production will increase f. The rate of Glyceraldehyde 3-phosphate synthesis will be unaffectedarrow_forwardThe link between electron transport and ATP synthesis a. is a high-energy intermediate like phosphoenol pyruvate. b. is the transfer of electrons to ATP synthase. c. is a proton gradient. d. depends on the absence of oxygen.arrow_forward
- In 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_forwardThe above product water molecules are generated in which eukaryotic cell compartment?A. the mitochondrial matrix (site of the Krebs cycle)B. the thylakoid membrane of chloroplasts (site of photosystems I and II)C. the chloroplast stroma (site of the Calvin cycle)D. the inner mitochondrial membrane (site of electron transport)E. the cytoplasm (site of glycolysis)arrow_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
- Oxidative decarboxylation a. Do not occur in the TCA cycle. b. Involve loss of CO2 and the production of NADH. c. Involve loss of CO2 and the production of NAD. d. Involve loss of CO2 and the production of FADH2.arrow_forwardCompare ATP production in the citric acid cycle to the electron transport chain, or aerobic respiration. A. Both processes use oxidative phosphorylation. B. Both processes use substrate-level phosphorylation. C. The citric acid cycle uses substrate-level phosphorylation, and the electron transport chain uses oxidative phosphorylation. D. The citric acid cycle uses oxidative phosphorylation, and the electron transport chain uses substrate-level phosphorylation.arrow_forwardATP inhibits phosphofructokinase by binding to an allosteric site in glycolysis. ATP is functioning as a a. competitive inhibitor. b. competitive activator. c. noncompetitive inhibitor. d. noncompetitive activator.arrow_forward
- which 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 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_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_forward
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Anaerobic Respiration; Author: Bozeman Science;https://www.youtube.com/watch?v=cDC29iBxb3w;License: Standard YouTube License, CC-BY