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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- Only bacteria are capable of anaerobic respiration. * A. True B. False Back Submit Clear formarrow_forwardA. 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_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_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_forwardOxygen is toxic to anaerobic organisms primarily due to the fact that they lack the ability to express the enzymes needed to metabolize the toxic intermediates generated from oxygen utilization. true or falsearrow_forward
- 1. In which processes, anaerobic and aerobic respiration, is CO2 produced? What evidence do you have to indicate this? 2. In which processes, anaerobic and aerobic respiration, is ethanol produced? What evidence do you have to indicate this? 3. The upper limit for alcohol content in beers and wines is about 10%. However, whiskey can have an alcohol content in the 40%-50% range. Why is this? What did we do in this lab is relevant to this process?.arrow_forwardArrange the following in the order they appear in electron transport. a. FAD, coenzyme Q, cytochrome c Ob. FAD, cytochrome c, coenzyme Q Oc. Cytochrome c, FAD, coenzyme Q Od. Coenzyme Q, FAD, cytochrome carrow_forwardScenario #3: Arsenic poisoning. Ralph worked in a zinc refinery for 30 years. He never missed a day’s work until about a month ago when he began to experience frequent headaches, long periods of confusion, with attendant severe diarrhea, and drowsiness. Arsenic inhibits the breakdown of pyruvate. 1. Which cellular respiration pathway is directly affected by arsenic poisoning? a. All cellular respiration pathways are affected b. Glycolysis c. Electron transport chain d. Kreb’s cycle 2. Which of the following cellular respiration processes will NOT be affected by the arsenic? a. Reduction of NAD+ and FAD during Kreb’s cycle b. Production of pyruvic acid c. Electrons will not be delivered to the oxygen to make water d. Creating an electrochemical gradient across the mitochondrial membranearrow_forward
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