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.
Circle the letter of the sentence that is FALSE about cellular respirationa. aerobic respiration consumes organic molecules and O2 and yields ATPb. fermentation is a partial degradation of sugars that occurs without O2 c. Cellular respiration includes only aerobic respiration d. Anaerobic respiration is similar to aerobic respiration but consumes compounds other than O2
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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- Differentiate between the following:a. anabolism and catabolism b. fermentation and respiration c.aerobic and anaerobic respirationarrow_forwardOnly bacteria are capable of anaerobic respiration. * A. True B. False Back Submit Clear formarrow_forwarda. Some microbes can utilize fermentation to make ATP. Compare and contrast fermentation and aerobic respiration, including the typical inputs and outputs of each. b. Two liquid culture flasks of E. coli are grown in the same medium (2% glucose and amino acids) and at the same temperature (37°C). Culture #1 is well aerated. Culture #2 is anoxic. After 16 hours, the following observations are made: • Culture # 1 has a high cell density; the cells appear to be in stationary phase, and the glucose level in the medium is reduced to 1.2%. • Culture #2 has a low cell density; the cells appear to be in logarithmic phase, although their doubling time is prolonged (over 1 hour). The glucose level is reduced to 0.2%. Why does Culture #2 have so little glucose remaining relative to Culture #1, even though Culture #2 displayed slower growth and has less biomass?arrow_forward
- A. anaerobic respiration Lactic acid fermentation Alcoholic fermentation Raw material Products No. of ATPS formed B. aerobic respiration Location in cell where the process takes place Number of carbon dioxxide released Number of ATPS formed Glycolysis Kreb's cycle Electron transport chain C. aerobic and anaerobic respiration anaerobic respiration aerobic respiration Raw matenal Products No. of ATPS formed Location in cell where process takes place Oxygen (presentabsent) IV. Evaluation Multiple choice Write the letter of the correct answer. 1. In which organelle does aerobic respiration take place? a Chloroplast b. Mitochondria Ribosome Nucleus C. d.arrow_forward1. Choose all the correct answers. Enzyme catalyzing this reaction: COO CO0 но C-H + NAD* CH2 + NADH + H* CH2 лвенный тет CoO COO L-Malate Oxaloacetate A. Belongs to the class of transferases. B. Belongs to the class of oxidoreductases. C. Is a simple enzyme. D. Is a holoenzyme.arrow_forward(6) a. When the humidity increases transpiration rate : a. Increases b. Decreases b. The reason for my answer is: a. Because it increases the water vapor in the environment b. Because it limits the amount of water vapour in the environment c. Temperature of the environment increases when the humidity increases d. Temperature of the environment decreases when the humidity increasesarrow_forward
- Anaerobic respiration differs from aerobic respiration in that . . A. the electron transport chain is not used in anaerobic respiration. B. more ATP is produced in the TCA cycle of anaerobic respiration. C. only aerobes can use glucose. D.anaerobes employ a different final electron acceptor than aerobes.arrow_forward3) Compare the chemiosmotic process in aerobic respiration to the similar process seen in photosynthesis.arrow_forwardPlease complete the following question. 6arrow_forward
- ". Which statement about fermentation is incorrect? Incorrect Answer: D. In terms of ATP production, fermentation is less efficient when compared to respiration. Correct Answer: B. Fermentation is a mode of anaerobic metabolism found only in prokaryotes. Rationale:arrow_forwardBiogas is produced as a result of which of the following Process? a. Decomposition b. Conduction c. Burning d. Digestionarrow_forwardThe figures below show the two different types of anaerobic respiration: alcoholic fermentation (left) and lactate fermentation (right). Read the descriptions in the table that follows, and then select whether each statement describes alcoholic fermentation, lactate fermentation, or both. Check all that apply. Generates two CO2 A. Lactate Fermentation B. Alcoholic Fermentationarrow_forward
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