Microbiology: A Systems Approach
4th Edition
ISBN: 9780073402437
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 8, Problem 1VC
From chapter 4, figure 4.16. On the enlarged sections of both (a) and (b), draw protons in the proper compartment in such a way that it illustrates the creation of a proton motive force.
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Why would the protons stay close to the membrane, rather than float away?
In terms of an electrochemical gradient being produced, compare and contrast any three (3) systems whereby a proton motive force is generated. Why is producing and maintaining a consistent proton motive force important? What potential problems could arise if the proton motive force becomes too high or too low, and how are these remedied? Discuss why in some instances a sodium motive force may be more appropriate than a proton motive force.
15) Refer to the diagram below to answer the following question..
Proton
gradient
Cyanide
Azide
Cyt c
Carbon
monoxide
Cyt c
Cyt c
Cyt c
Complex II
Complex I
Cyt c
oxidase
Succinate-
NADH-
UQ
UQ
Qeductase
Coenzvme Q
reductase
Coenzyme Q
evtochromee
reductase
Complex III
ļ0, + 2 H*
ATP
SVnthase
Succinate
H2O
Rotenone
Oligomycin
NADH
Amvtal
Electron transport
Demerol
Uncouplers:
2,4-Dinitrophenol
Proton gradient
ATP synthesis
Dicumarol
FCCP
Azide is a potent inhibitor of Complex IV. Which of the three functions shown above (electron transport, proton
gradient, ATP synthesis) wauld be affected? Briefly explain why.
Chapter 8 Solutions
Microbiology: A Systems Approach
Ch. 8.1 - Describe the relationship among metabolism,...Ch. 8.1 - Fully discuss the structure and function of...Ch. 8.1 - Differentiate between an apoenzyme and a...Ch. 8.1 - Differentiate between an endoenzyme and an...Ch. 8.1 - Diagram the four major patterns of metabolism.Ch. 8.1 - Describe how enzymes are controlled.Ch. 8.2 - Name the chemical in which energy is stored in...Ch. 8.2 - Create a general diagram of a redox reaction.Ch. 8.2 - Identify electron carriers used by cells.Ch. 8.3 - Prob. 2CF
Ch. 8.3 - List three basic catabolic pathways and the...Ch. 8.3 - Construct a paragraph summarizing glycolysis.Ch. 8.3 - Describe the Krebs cycle and compare the process...Ch. 8.3 - Discuss the significance of the electron transport...Ch. 8.3 - State two ways in which anaerobic respiration...Ch. 8.3 - Summarize the steps of microbial fermentation and...Ch. 8.3 - Prob. 16AYPCh. 8.4 - Prob. 17AYPCh. 8.4 - Define amphibolism.Ch. 8.5 - Summarize the overall process of photosynthesis in...Ch. 8.5 - Discuss the relationship between light-dependent...Ch. 8.5 - Explain the role of the Calvin cycle in the...Ch. 8 - Prob. 1CFCh. 8 - Prob. 1MCQCh. 8 - An enzyme a. becomes part of the final products....Ch. 8 - An apoenzyme is where the ____ is located. a....Ch. 8 - Many coenzymes are a. metals. b. vitamins. c....Ch. 8 - Prob. 5MCQCh. 8 - Energy is carried from catabolic to anabolic...Ch. 8 - A product or products of glycolysis is/are a. ATP....Ch. 8 - Prob. 8MCQCh. 8 - Complete oxidation of glucose in aerobic...Ch. 8 - ATP synthase complexes can generate ______ ATP(s)...Ch. 8 - True-False Questions. If the statement is true,...Ch. 8 - An enzyme lowers the activation energy required...Ch. 8 - One cycle of fermentation yields more energy than...Ch. 8 - Energy in biological systems is primarily...Ch. 8 - Exoenzymes are produced outside the cell.Ch. 8 - Prob. 1CTQCh. 8 - Prob. 2CTQCh. 8 - Prob. 3CTQCh. 8 - Prob. 4CTQCh. 8 - Prob. 5CTQCh. 8 - Prob. 6CTQCh. 8 - Prob. 7CTQCh. 8 - Prob. 8CTQCh. 8 - Prob. 9CTQCh. 8 - Provide evidence in support of or refuting the...Ch. 8 - Prob. 1CCCh. 8 - Prob. 2CCCh. 8 - Prob. 3CCCh. 8 - From chapter 4, figure 4.16. On the enlarged...Ch. 8 - Using the words that follow, please create a...
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