Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 27, Problem 4MCQ
Summary Introduction
Introduction:
Methane, a potent greenhouse gas, is constantly produced by methanogenic bacteria in the benthic zone. Such benthic zones are located at the lowest level of oceans or lakes and have less concentration of oxygen. Methane-producing bacteria, a part of anaerobic benthic population, also play a crucial role in sewage treatment.
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Which of the following is one difference between fermentation and anaerobic respiration?
a.
Fermentation uses oxygen to produce ATP and anaerobic respiration does not
b.
Fermentation harvests more energy from each sugar molecule than anaerobic respiration.
c.
Anaerobic respiration utilizes an electron transport chain while fermentation does not
d.
Anaerobic respiration utilizes glycolysis while fermentation does not.
Which of the following statements is false?
A.
Sulfur-oxidizing bacteria may form hydrogen sulfide (H2S) as a product of the oxidation.
B.
Dissimilatory reduction of metals such as Fe3+ to Fe2+ represents anaerobic respiration.
C.
The nitrification reactions carried out by certain bacteria would be considered lithotrophy.
D.
Denitrification reactions would be considered anaerobic respiration.
Differentiate between the following:a. anabolism and catabolism b. fermentation and respiration c.aerobic and anaerobic respiration
Chapter 27 Solutions
Microbiology: An Introduction
Ch. 27 - The koala is a leaf-eating animal. What can you...Ch. 27 - Give one possible explanation of why Penicillium...Ch. 27 - In the sulfur cycle, microbes degrade organic...Ch. 27 - Why is the phosphorus cycle important?Ch. 27 - DRAW IT 5. Identify where the following processes...Ch. 27 - Prob. 6RCh. 27 - Outline the treatment process for drinking water.Ch. 27 - Prob. 8RCh. 27 - Bioremediation refers to the use of living...Ch. 27 - NAME IT 10. These nitrogen-fixing prokaryotes...
Ch. 27 - Activated sludge system a. the process takes place...Ch. 27 - Prob. 2MCQCh. 27 - Nitrogen fixation a. the process takes place under...Ch. 27 - Prob. 4MCQCh. 27 - The water used to prepare intravenous solutions in...Ch. 27 - CO2+H2SLightLightC6H12O6+S0 a. aerobic respiration...Ch. 27 - Prob. 7MCQCh. 27 - CO2+8H++8eCH4+2H2O a. aerobic respiration b....Ch. 27 - Prob. 9MCQCh. 27 - Coliforms are used as indicator organisms of...Ch. 27 - Prob. 1ACh. 27 - Explain the effect of dumping untreated sewage...Ch. 27 - Flooding after two weeks of heavy rainfall in...Ch. 27 - The bioremediation process shown in the photograph...
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- 1. cellular respiration A. the first step of cellular respiration that takes place in the cytoplasm and produces a net of 2 molecules of ATP for every one molecule of glucose 2. glycolysis 3. aerobic respiration B. the general type of cellular respiration that occurs when no oxygen is present 4. anaerobic respiration 5. mitochondrion C. general process that breaks down glucose to produce ATP 6. Krebs cycle D. the type of anaerobic respiration that occurs in animal cells E. the general type of cellular respiration that occurs in the mitochondria when oxygen is available to a cell 7. alcoholic fermentation 8. electron transport chain F. the step in aerobic respiration that produces 36 molecules of ATP for every one molecule of glucose 9. lactic acid fermentation G. the type of anaerobic respiration that occurs in plant cells H. the step in aerobic respiration that produces 2 molecules of ATP for every one molecule of glucose I. the cell organelle where aerobic respiration takes placearrow_forwardDuring times of low oxygen level, many organisms perform fermentation. Who do these organisms need to perform fermentation, the answer is NOT because there is no oxygen.I told you that.arrow_forwardWhen making bread with common yeast, the reaction starts as an aerobic process and then becomes an anaerobic process after the oxygen is spent. A baker has created a new strain of yeast which contains no cytochrome c gene and, thus, no cytochrome c protein. This will affect what the yeast strain can do to obtain energy. What will this yeast strain do more of, compared to a normal strain? A. electron transport B. carbon dioxide production C. fermentation D. ATP synthesisarrow_forward
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