Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 8, Problem 4FIB
Summary Introduction
Introduction:
The series of complex reactions involving the transfer of the electrons across the membrane is “Electron transport chain”. This process occurs in the presence of oxygen. The oxygen accepts the two electrons and got reduced to the molecule of water in the
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Which of the following statements concerning ATP synthesis in mitochondria is FALSE?
a. interruption of the flow of electrons from NADH to oxygen would decrease ATP synthesis
b. making the inner mitochondrial membrane permeable to H+ would decrease ATP synthesis
c. the energy liberated by the electron-transport chain is used to pump H+ ions into the IM-space
d. the movement of H+ through a special channel enzyme (synthase) results in ATP synthesis
e. when protons move from the matrix to the IM-space, ATP is made from ADP + Pi
Which of the following correctly describes where each process takes place in eukaryotic cells?
a. conversion of pyruvate to acetyl CoA – mitochondrial matrix
b. glycolysis – mitochondrial matrix
c. ATP synthase – ATP synthesized in cytosol using proton motive force
d. electron transport chain – electron carrier proteins embedded in outer mitochondrial membrane
e. citric acid cycle – cytosol
During the aerobic cellular respiration, where do ATP molecules form?
a. Cytosol only
b. Cytosol and mitochondria only
c. Cytosol, mitochondria and ribosomes only
d. Mitochondrial matrix and inner mitochondrial membrane only
Chapter 8 Solutions
Biology
Ch. 8.1 - explain how photosynthesis and glucose breakdown...Ch. 8.1 - summarize glucose breakdown in the presence and...Ch. 8.2 - What is the net energy yield in ATP and NADH...Ch. 8.2 - explain the energy investment and...Ch. 8.2 - Prob. 2CYLCh. 8.3 - How would the rate of ATP production be affected...Ch. 8.3 - Cyanide is a favorite poison in old murder...Ch. 8.3 - Raising a King The mitochondrial DNA (mtDNA) that...Ch. 8.3 - summarize the two major stages of cellular...Ch. 8.3 - explain how ATP is generated by chemiosmosis?
Ch. 8.3 - describe the role of oxygen in cellular...Ch. 8.4 - Prob. 1TCCh. 8.4 - What would happen if cells were prevented from...Ch. 8.4 - Prob. 1CSCCh. 8.4 - explain the function of fermentation and the...Ch. 8.4 - compare the two types of fermentation?Ch. 8.4 - list some examples of human uses of each type of...Ch. 8.4 - Jeremy has always had difficulty walking rapidly...Ch. 8 - Which of the following is True for one glucose...Ch. 8 - Prob. 2MCCh. 8 - Prob. 3MCCh. 8 - Prob. 4MCCh. 8 - Prob. 5MCCh. 8 - Prob. 1FIBCh. 8 - Prob. 2FIBCh. 8 - Prob. 3FIBCh. 8 - Prob. 4FIBCh. 8 - Prob. 5FIBCh. 8 - Prob. 1RQCh. 8 - Draw and label a mitochondrion, and explain how...Ch. 8 - What role do the following play in breaking down...Ch. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Compare the structure of chloroplasts (described...Ch. 8 - Some species of bacteria use aerobic respiration,...Ch. 8 - Prob. 2ACCh. 8 - Prob. 3ACCh. 8 - Some species of bacteria that live at the surface...
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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_forwardCyanide is a poisonous substance. Cyanide is a cytochrome c oxidase inhibitor that is competitive. The last enzyme of the electron transport chain in mitochondria is cytochrome c oxidase. One of the most common substrates for cytochrome c oxidase is oxygen.Would an increase in the concentration of oxygen affect the inhibitioncaused by cyanide?How would conditions in the mitochondrial intermembrane spacechange if cytochrome c oxidase and the electron transport chain are notfunctioning properly.. Explain why this change in conditions will be harmful to a cell.arrow_forwardThe ATP synthase F1 of mitochondrial inner membranes sticks into the ________ and the ________ conformation of the active site catalyzes ATP synthesis. A. matrix; loose B. intermembrane space; open C. matrix; tight D. intermembrane space; tight E. matrix; openarrow_forward
- 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.arrow_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_forwardDuring aerobic respiration in the mitochondria of eukaryotes, which substrate molecules provide the oxygen atoms that end up in product carbon dioxide molecules? C6H12O6, H2O, and O2 only H2O and C6H12O6 only C6H12O6 and O2 only H2O only O2 onlyarrow_forward
- Cyanide is a toxic substance. Cyanide is a cytochrome coxidase enzyme that is competitive. The last enzyme of the electron transport chain in mitochondria is cytochrome c oxidase. One of the most common substrates for cytochrome c oxidase is oxygen. Would an increase in the concentration of oxygen affect the inhibitioncaused by cyanide? How would conditions in the mitochondrial intermembrane spacechange if cytochrome c oxidase and the electron transport chain are notfunctioning properly. .Explain why this change in conditions will be harmful to a cell.arrow_forwardwhere is most of the ATP in eukaryotic cellular aerobic respiration is produced ? (a) mitochondrial matrix (b) mitochondrial outer membrane (c) mitochondrial intermembrane space (d) nucleus (e) cytosolarrow_forwardWhich of the following statements is NOT true about the electron transport chain (ETC) and oxidative phosphorylation? A. Oxidative phosphorylation requires the enzyme complexes to be soluble in the mitochondrial matrix. B. If the proton gradient is too high, electrons will not move through the ETC. C. The movement of electrons down the ETC only happens if protons are pumped out of the mitochondrial matrix. D. Oxidative phosphorylation requires the mitochondrial intermembrane space to be more positively charged than the matrix. E. The free energy of the proton gradient can be used to create high energy bonds.arrow_forward
- In uncoupled mitochondria, the energy produced by electron transport is _____________ a. released as heat b. used to synthesize ATP c. used to hydrolyze ATP to form ADP d. used to transport ATP to the cytosolarrow_forwardEnergy is required for which of the following? Choose one from the following: (A) movement of hydrogen ions from the outer matrix to the inner matrix of the mitochondrion (B) movement of hydrogen ions from the inner matrix to the outer matrix of the mitochondrion (C) both A and B require energy (D) neither A nor B require energyarrow_forwardHigh energy electrons move through the electron transport chain of the mitochondria and the chemical energy held in these electrons is used to pump hydroxide ions into the intermembrane space make molecules like protein, carbohydrates, and lipids pump electrons into the intermembrane space pump hydrogen ions into the intermembrane spacearrow_forward
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