PRESCOTT'S MICROBIO W/PROCTORIO
11th Edition
ISBN: 9781264731060
Author: WILLEY
Publisher: MCG
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Textbook Question
Chapter 11.11, Problem 3CC
Why can hydrogen-oxidizing bacteria and archaea donate electrons to NAD+, whereas sulfur- and ammonia-oxidizing bacteria and archaea cannot?
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Which of the following statements is false regarding the electron donors in prokaryotic metabolism?
A) O The use of organic compounds as electron donors is known as chemo-organotrophy.
B) OLithotrophy refers to the use of inorganic molecules as electron sources.
C) O Photolysis of water provides electrons to phototrophic organisms such as cyanobacteria.
D) O Electrons can be obtained from inorganic chemicals such as H2S.
E) O Oxygen can serve as an electron donor.
What does the following figure represent?
The last steps of anaerobic cellular respiration.
b)
Oxidative phosphorylation.
c)
The electron transport chain (ETC) only.
d)
Chemiosmosis only.
e)
The light reactions of photosynthesis.
Which is true regarding bacterial and archaea species that use nitrogen and sulfur compounds in different ways?
A) O Sulfate-reducing bacteria are those that respire anaerobically using sulfate.
B) O Nitrifying bacteria are lithotrophs that produce nitrite and nitrate.
C) O Denitrifying bacteria are those that respire anaerobically using various oxidized forms of nitrogen.
D) O Sulfur oxidizing bacteria are lithotrophs that obtain energy from sulfur compounds either aerobically or anaerobically
E) O All the above are true.
Chapter 11 Solutions
PRESCOTT'S MICROBIO W/PROCTORIO
Ch. 11.1 - Prob. 1CCCh. 11.1 - Retrieve, Infer, Apply Compare...Ch. 11.1 - Retrieve, Infer, Apply What are the three major...Ch. 11.2 - Is NAD+ reduced to NADH in the catabolic or...Ch. 11.2 - Prob. 1CCCh. 11.2 - Why is it to a cells advantage to catabolize...Ch. 11.2 - Prob. 3CCCh. 11.4 - Which reactions are examples of substrate-level...Ch. 11.4 - For what kinds of reactions is NADPH used?Ch. 11.4 - For what macromolecule is ribose 5-phosphate a...
Ch. 11.4 - Summarize the major features of the...Ch. 11.4 - Prob. 2CCCh. 11.5 - Identify the substrate and products of the TCA...Ch. 11.5 - What chemical intermediate links pyruvate to the...Ch. 11.5 - Prob. 3CCCh. 11.5 - Retrieve, Infer, Apply In what eukaryotic...Ch. 11.5 - Why is it desirable for a microbe with the...Ch. 11.6 - Prob. 1MICh. 11.6 - Prob. 2MICh. 11.6 - Describe the current model of oxidative...Ch. 11.6 - Prob. 3CCCh. 11.6 - Prob. 4CCCh. 11.7 - Prob. 1CCCh. 11.7 - Prob. 2CCCh. 11.7 - Prob. 3CCCh. 11.8 - Prob. 1MICh. 11.8 - Prob. 1CCCh. 11.8 - Prob. 2CCCh. 11.8 - Prob. 3CCCh. 11.8 - Prob. 4CCCh. 11.8 - Prob. 5CCCh. 11.9 - What is the difference between a hydrolase and...Ch. 11.9 - Prob. 2MICh. 11.9 - Retrieve, Infer, Apply Briefly discuss the ways in...Ch. 11.9 - Prob. 2CCCh. 11.9 - Retrieve, Infer, Apply Describe how a...Ch. 11.11 - How do chemolithotrophs obtain their ATP and...Ch. 11.11 - Prob. 2CCCh. 11.11 - Why can hydrogen-oxidizing bacteria and archaea...Ch. 11.11 - What is reverse electron flow and why do many...Ch. 11.11 - Prob. 5CCCh. 11.12 - When electrons from P700 are used to reduce NADP+,...Ch. 11.12 - Define the following terms: light reactions, dark...Ch. 11.12 - Prob. 2CCCh. 11.12 - What is the function of accessory pigments?Ch. 11.12 - Prob. 4CCCh. 11.12 - Compare and contrast anoxygenic phototrophy and...Ch. 11.12 - Prob. 6CCCh. 11 - Prob. 1RCCh. 11 - Prob. 2RCCh. 11 - Prob. 3RCCh. 11 - Prob. 4RCCh. 11 - Prob. 5RCCh. 11 - Prob. 6RCCh. 11 - How would you isolate a thermophilic...Ch. 11 - Certain chemicals block ATP synthesis by allowing...Ch. 11 - Prob. 3ALCh. 11 - Review the description of the Berkeley Pit Lake in...Ch. 11 - Prob. 5AL
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- Use the multiple choice questions to identify what components of the redox loop would have to be in each numbered box for this organism to be able to produce ATP using this system. Do not worry about stoichiometry. a) What should be in box 1? MQ MQH2 Electron H+ b) What should be in box 2? MQ MQH2 Electron H+ c) What should be in box 3? MQ MQH2 Electron H+ d) What should be in box 4? MQ MQH2 Electron H+ e) What should be in box 5? MQ MQH2 Electron H+ f) What should be in box 6? MQ MQH2 Electron H+ g) What should be in box 7? MQ MQH2 Electron H+ h) What should be in box 8? MQ MQH2 Electron H+ i) Which boxes in the diagram directly result in increasing the pH gradient? (select all that apply) 1 2 3 4 5 6 7 8arrow_forwardA chemolithoautotroph is respiring using only iron (Fe3+) and nitrite (NO2-). This bacterium does not consume organic molecules. How does this organism make NADH?arrow_forward4) Which is one major difference between anaerobic and aerobic respiration? A) Electron donor B) Electron acceptor C) Use of electron transport D) Use of proton motive forcearrow_forward
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