Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 5TYK
Which of the following is a true distinction between
a. NADH is oxidized by passing electrons to the electron transport chain in respiration only.
b. Only respiration oxidizes glucose.
c. Substrate-level phosphorylation is unique to fermentation; cellular respiration uses oxidative phosphorylation.
d. Fermentation is the
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Which of the following statements is TRUE?
Select one:
A. Lactic acid is a product of aerobic respiration; ethyl alcohol is a product of fermentation.
B. Oxidation is the loss of electrons; reduction is the gain of electrons.
C. Oxygen is a product of cellular respiration; carbon dioxide is a product of photosynthesis.
D. Glucose is a product of aerobic respiration; lactic acid is a product of anaerobic respiration.
Place the following steps of cellular respiration in the correct order by numbering them from 1 to 4. a. The Krebs cycle produces the energy carriers NADH, FADH2, and ATP. b. If oxygen levels are adequate, pyruvate is transported into the mitochondrion. If oxygen levels are very low, fermentation proceeds. c. Glucose is broken down to produce ATP and NADH. d. An electron transport chain produces ATP from ADP.
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 6 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 6 - Fill in the blanks in this summary map to help you...Ch. 6 - A biochemist wanted to study how various...Ch. 6 - In glycolysis, _____ is oxidized and _____ is...Ch. 6 - Which of the following is the most immediate...Ch. 6 - Which of the following is a true distinction...Ch. 6 - The poison cyanide binds to an electron carrier...Ch. 6 - In which of the following is the first molecule...Ch. 6 - Which of the three stages of cellular respiration...Ch. 6 - Compare and contrast fermentation as it occurs in...Ch. 6 - Prob. 10TYK
Ch. 6 - Prob. 11TYKCh. 6 - Prob. 12TYKCh. 6 - In the citric acid cycle, an enzyme oxidizes...Ch. 6 - ATP synthase enzymes are found in the prokaryotic...Ch. 6 - 15. SCIENTIFIC THINKING Several studies have found...Ch. 6 - For a short time in the 1930s, some physicians...Ch. 6 - Explain how the mechanism of brown fat metabolism...
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- Which of the following statements concerning the location of the metabolic pathways is correct? a. All reactions of the glycolysis take place in the mitochondria. b. All reactions of the TCA cycle take place in the mitochondria. c. Some reactions of the TCA cycle take place in the cytosol, and some in mitochondria. d. Some reactions of the glycolysis take place in the cytosol, and some in mitochondria.arrow_forwardWhich 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.arrow_forwardWhich of the following statements about the TCA cycle is INCORRECT? O a. The TCA cycle can recover much more energy than homolactic fermentation. b. All reactions of the TCA cycle take place in the mitochondria. C. The energy released in the TCA cycle is mainly stored in the reduced electron carriers NADH and FADH₂. O d. Under anaerobic conditions the TCA cycle is used to oxidize pyruvate. Oe. The TCA cycle is also called the citric acid cycle after the product of the first reaction catalyzed by pyruvate dehydrogenase.arrow_forward
- Which of the following statements about the TCA cycle is INCORRECT? a. All reactions of the TCA cycle take place in the cytosol. b. The energy released in the TCA cycle is mainly stored in the reduced electron carriers NADH and FADH2. c. The TCA cycle can recover much more energy than homolactic fermentation. d. Under aerobic conditions the TCA cycle is used to oxidize pyruvate. e. The TCA cycle is also called the citric acid cycle after the product of the first reaction catalyzed by pyruvate dehydrogenase.arrow_forwardWhich of the following statements about aerobic respiration is true? a. Oxygen is the final electron acceptor in the citric acid cycle. b. Coenzyme-A is a substrate in the reaction that generates a key reactant for the citric acid cycle. c. Redox reactions occur in the electron transport chain (ETC), but not during the citric acid cycle and not during glycolysis. d. The citric acid cycle is the main ATP producer in aerobic respiration.arrow_forwardWhich of the following statements about cellular respiration is TRUE in eukaryotes? A. For every molecule of NADH oxidized in the electron transport chain, 1 molecule of ATP is produced. B. ATP synthase harnesses the flow of protons (hydrogen ions = H+) from the mitochondrial matrix to the intermembrane space to produce ATP. C. ATP synthase transduces the flow of protons (hydrogen ions = H+) from the intermembrane space to the mitochondrial matrix into kinetic (mechanical) energy D. H2O is the final electron acceptor in the electron transport chain, being oxidized to O2 and H+. E. All of the above are truearrow_forward
- Which of the following best describes the action of cytochrome c oxidase? a. Cytochrome c oxidase combines water and oxygen to produce hydrogen peroxide. b. Cytochrome c oxidase transports electrons out of the respiratory reaction. c. Cytochrome c oxidase enables oxygen to accept electrons at the end of the electron transport respiratory chain. d. Cytochrome c oxidase converts hydrogen peroxide into water and oxygen. e. Cytochrome c oxidase reduces thiosulfate anion to hydrogen sulfide.arrow_forwardAnaerobic 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 DOES NOT describe Cellular Respiration? * a. It provides cells with the energy they need to function. b. Cellular respiration is essential to both eukaryotic and prokaryotic cells because this biochemical energy is produced to fuel many metabolic processes, such as biosynthesis, locomotion, and transportation of molecules across membranes c. Without the process of cellular respiration, there is no gaseous exchange and the cells, tissue and other organs die due to the lack of oxygen and by the accumulation of carbon dioxide within the cells and tissues. d. Cellular respiration is a type of passive cell transport. Molecules move from areas O of high concentration to areas of low concentration in order to decrease the concentration gradientarrow_forward
- Compare 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_forwardIn the absence of oxygen, which of the following compounds will be formed by yeast to regenerate ATP through fermentation? a. ATP, CO2, and lactate b. ATP, CO2, and acetyl CoA c. ATP, NADH, and ethanol O d. ATP, CO2, and ethanol (ethyl alcohol) e. ATP onlyarrow_forwardAll 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_forward
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