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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Textbook Question
Chapter 7, Problem 4TYU
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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What is the role of NAD+ in the process of cellular respiration?
a. It functions as an electron carrier.
b. It functions as an enzyme.
c. It is the final electron acceptor for anaerobic respiration.
d. It is a nucleotide source for the synthesis of ATP.
What Is The Main Purpose Of Oxygen In Cellular Respiration?
A)Allowing For The Break Down Of Glucose In Pyruvate
B)Suppling Electrons To The Electron Transport Chain
C)Allowig For A Flow Of Electrons In The Electron Transport Chain
D)Oxidation Of Pyruvate To Acetyl COA
Which of the following statements is a lie?Select one:a.Specific enzymes in the electron transport chain are unaffected by feedback inhibition.b.Elevated levels of ADP will increase pathway activity in the electron transport chain.c.The rate of transport of electrons through the electron transport chain is regulated by feedback inhibition.
Chapter 7 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 7.1 - Compare and contrast aerobic and anaerobic...Ch. 7.1 - Name and describe the two ways in which ATP is...Ch. 7.1 - Prob. 3CCCh. 7.2 - During step 6 in Figure 7.9, which molecule acts...Ch. 7.3 - Name the molecules that conserve most of the...Ch. 7.3 - Prob. 2CCCh. 7.4 - Prob. 1CCCh. 7.4 - Prob. 2CCCh. 7.4 - MAKE CONNECTIONS Membranes must be fluid to...Ch. 7.5 - Prob. 1CC
Ch. 7.5 - WHAT IF? A glucose-fed yeast cell is moved from an...Ch. 7.6 - MAKE CONNECTIONS Compare the structure of a fat...Ch. 7.6 - Prob. 2CCCh. 7.6 - WHAT IF? During intense exercise, can a muscle...Ch. 7 - The immediate energy source that drives ATP...Ch. 7 - Which metabolic pathway is common to both...Ch. 7 - In mitochondria, exergonic redox reactions A. are...Ch. 7 - The final electron acceptor of the electron...Ch. 7 - What is the oxidizing agent in the following...Ch. 7 - When electrons flow along the electron transport...Ch. 7 - Most co, from catabolism is released during A....Ch. 7 - DRAW IT The graph here shows the pH difference...Ch. 7 - INTERPRET THE DATA Phosphofructokinase is an...Ch. 7 - Prob. 10TYUCh. 7 - FOCUS ON EVOLUTION ATP synthases are found in the...Ch. 7 - Prob. 12TYUCh. 7 - Prob. 13TYU
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- Why is oxygen important in aerobic cellular respiration? a. Without oxygen, the Citric acid cycle will be disrupted b. Oxygen is the final electron acceptor during the electron transport chain c. they produce carbon dioxide and water d. It provides electrons during cellular respirationarrow_forwardWhich 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.arrow_forwardWhat happens as electrons move down the electron transport chain? A. their energy is used to pump hydrogen ions across the mitochondrial inner membrane B. they produce carbon dioxide and water C. the electrons are combined with ADP and phosphate to form ATP D. their energy is used to pump sodium ions across the mitochondrial inner membranearrow_forward
- Which 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_forwardWhat is the direct mechanism of ATP synthesis during the electron transport phase of cellular respiration? (what is the potential energy source that drives ATP production?) b) Why is oxygen needed for this phase? c) What is the role of ATP synthasearrow_forwardDuring glycolysis, pyruvate oxidation, and the citric acid cycle, NADH is produced. The citric acid cycle also produces FADH2. What is the purpose of these molecules? a. to produce carbon dioxide to breathe out b. to produce oxygen that is needed for the electron transport chain c. to carry electrons to the electron transport chain d. to provide the ADP and phosphate that are needed to make ATParrow_forward
- 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 mitochondriaarrow_forwardThe final electron acceptor of the electron transport chain that functions in aerobic oxidative phosphorylation is (A) oxygen. (B) water. (C) NAD+. (D) pyruvatearrow_forwardWhy is the formation of ATP by ATP synthase referred to as oxidative phosphorylation? A. A phosphate is transferred from oxygen to ADP to form ATP B. Oxygen provides the mechanical energy that is used to create ATP from ADP C. Oxygen is the final electron acceptor in the electron transport chain, which creates the proton gradient necessary to power ATP synthase D. ADP combines with oxygen to form ATParrow_forward
- The 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_forwardThe final net products of ________ are 2 molecules of ATP and 2 NADH. a. pyruvate oxidation b. the citric acid cycle c. glycolysisarrow_forwardCompare and contrast anaerobic respiration and fermentation. Include the mechanism of ATP formation, the final electron acceptor and the end products.arrow_forward
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