EBK CAMPBELL BIOLOGY
11th Edition
ISBN: 8220103613828
Author: Reece
Publisher: PEARSON
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Chapter 9, Problem 3TYU
- 3. The final electron acceptor of the electron transport chain that functions in aerobic oxidative phosphorylation is
(A) oxygen.
(B) water.
(C) NAD+.
(D) pyruvate.
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The final electron acceptor of the electron transport chain that functions in aerobic oxidative phosphorylation is
(A) oxygen.
(B) water.
(C) NAD+.
(D) pyruvate
In aerobic respiration when is carbon dioxide produced?
(a) when oxygen is used as the final electron acceptor in oxidative phosphorylation (b) glycolysis (c) during substrate level phosphorylation (d) Krebs cycle (e) when hydrogen is pumped across the inner membrane of the mitochondria
9 .The energy of electron transport (by the ETC) serves to move protons (hydrogen ions, or H+) to the intermembrane space of the mitochondrion. How does this help the mitochondrion produce ATP?
a) This movement of protons sets up the electrochemical gradient that drives ATP synthesis in the mitochondrion.
b) The protons pick up electrons from the electron transport chain on their way through the inner mitochondrial membrane
c) The protons receive electrons from the NAD+ and FAD that were accepted in glycolysis ad the citric acid cycle
d) The protons are transferred to oxygen in an energy-releasing reaction
Chapter 9 Solutions
EBK CAMPBELL BIOLOGY
Ch. 9.1 - Compare and contrast aerobic and anaerobic...Ch. 9.1 - WHAT IF? If the following redox reaction...Ch. 9.2 - VISUAL SKILLS During the redox reaction in...Ch. 9.3 - Prob. 1CCCh. 9.3 - What process in your cells produce the CO2 that...Ch. 9.3 - VISUAL SKILLS The conversions shown in Figure...Ch. 9.4 - WHAT IF? What effect would an absence of O2 have...Ch. 9.4 - WHAT IF? In the absence of O2 as in question 1,...Ch. 9.4 - MAKE CONNECTIONS Membranes must be fluid to...Ch. 9.5 - Consider the NADH formed during glycolysis. What...
Ch. 9.5 - WHAT IF? A glucose-fed yeast cell is moved from...Ch. 9.6 - MAKE CONNECTIONS Compare the structure of a fat...Ch. 9.6 - Prob. 2CCCh. 9.6 - Prob. 3CCCh. 9.6 - VISUAL SKILLS During intense exercise, can a...Ch. 9 - Describe the difference between the two processes...Ch. 9 - Which reactions in glycolysis are the source of...Ch. 9 - What molecular products indicate the complete...Ch. 9 - Briefly explain the mechanism by which ATP...Ch. 9 - Prob. 9.5CRCh. 9 - Prob. 9.6CRCh. 9 - Level 1: Knowledge/Comprehension 1. The immediate...Ch. 9 - Prob. 2TYUCh. 9 - 3. The final electron acceptor of the electron...Ch. 9 - Prob. 4TYUCh. 9 - What is the oxidizing agent in the following...Ch. 9 - When electrons flow along the electron transport...Ch. 9 - Prob. 7TYUCh. 9 - Prob. 8TYUCh. 9 - MAKE CONNECTIONS The proton pump shown in Figures...Ch. 9 - VISUAL SKILLS This Computer model shows the four...Ch. 9 - INTERPRET THE DATA Phosphofructokinase is an...Ch. 9 - DRAW IT The graph here shows the pH difference...Ch. 9 - EVOLUTION CONNECTION AIP synthases are found in...Ch. 9 - SCIENTIFIC INQUIRY In the 1930s, some physicians...Ch. 9 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 9 - SYNTHESIZE YOUR KNOWLEDGE Coenzyme Q (CoQ) is sold...
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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
- Which of the following final electron acceptors is usedduring anaerobic respiration?(a) Lactic acid (b) Pyruvic acid(c) Nitrate (d) Glucose(e) Waterarrow_forwardWhen electrons flow along the electron transport chains ofmitochondria, which of the following changes occurs?(A) The pH of the matrix increases.(B) ATP synthase pumps protons by active transport.(C) The electrons gain free energy.(D) NAD+is oxidized.arrow_forwardWhen carbon dioxide is produced in aerobic respiration? (1) when oxygen is used as the final electron acceptor in oxidative phosphorylation (2) glycolysis (3) during substrate level phosphorylation (4) Krebs cycle when hydrogen is pumped across the inner membrane of the mitochondriaarrow_forward
- Place the following components of the electron-transport chain in their proper order: (a) cytochrome c (b) Q-cytochrome coxidoreductase (c) NADH-Q reductase (d) cytochrome c oxidase (e) ubiquinonearrow_forward(a) Starting with one molecule of glucose, how many ATPs are produced during (I) aerobic and (II) anaerobic respiration? (b) In chemiosmotic (oxidative) phosphorylation, what is the most direct source of energy that is used to convert ADP + Pi to ATP and what the driving force for the ATP formation through ATP synthase?arrow_forward1. Label each statement about electron transport chain and oxidative phosphorylation as true or false. a. The electron transport chain involves four enzyme complexes found in mitochondria. b. NADH and FADH2 are oxidized in the electron transport chain. c. HCN is a poison that binds to the ATP synthase enzyme, thus inhibiting oxidative phosphorylation. d. During electron transport, H+ is pumped across the inner mitochondrial membrane into the matrix.arrow_forward
- Which of the following statements are true?For each, explain why or why not.(a) All coenzymes are electron-transfer agents.(b) Coenzymes do not contain phosphorus or sulfur.(c) Generating ATP is a way of storing energy.arrow_forward1. Which of the following processes generates the most ATP? (Account for the no. of ATP) a. ) Citric Acid Cycle b.) Fatty Acid oxidation c.) Glycogenolysis d.) Glycolysis e.) Pentose phosphate pathway 2. What is the overall chemical changes that occur during one complete turn of the Krebs cycle? 3. Does the mitochondrial matrix ever run out of protons for pumping in oxidative phosphorylation?arrow_forwardWhich of the following involves nitrate as a terminal electron acceptor? (A) Photosynthesis. (B) Aerobic respiration. (C) Fermentation. (D) Anaerobic respiration. (E) Glycolysis.arrow_forward
- 9. Two nutrient solutions are maintained at the same pH. Actively respiring mitochondria are isolated and placed into each of the two solutions. Oxygen gas is bubbled into one solution. The other solution is depleted of available oxygen. Which of the following best explains why ATP production is greater in the tube with oxygen than in the tube without oxygen? (A) The rate of proton pumping across the inner mitochondrial membrane is lower in the sample without oxygen. (B) Electron transport is reduced in the absence of a plasma membrane. (C) In the absence of oxygen, oxidative phosphorylation produces more ATP than does fermentation. (D) In the presence of oxygen, glycolysis produces more ATP than in the absence of oxygen.arrow_forwardEnergy-carrying compound produced during the Krebs cycle. (a) Oxygen (b) NADH+ (c) ETC (d) ATP Synthasearrow_forwardIn mitochondria, exergonic redox reactions(A) are the source of energy driving prokaryotic ATP synthesis.(B) provide the energy that establishes the proton gradient.(C) reduce carbon atoms to carbon dioxide.(D) are coupled via phosphorylated intermediatesto endergonic processes.arrow_forward
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