Brock Biology of Microorganisms, Books a la Carte Edition (14th Edition)
14th Edition
ISBN: 9780321928351
Author: MADIGAN, Michael T., Martinko, John M., Brock, Thomas, Bender, Kelly S., BUCKLEY, Daniel H., Stahl, David A.
Publisher: PEARSON
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Chapter 14, Problem 11RQ
Summary Introduction
The majority of the sulfur oxidizing bacteria are autotrophic in nature. Some of the inorganic forms of sulfur such as sulfide and elemental sulfur can be used by chemolithotrophs for their survival, growth, and reproduction. The oxidation of sulfur is generally accompanied with a reduction of nitrate and oxygen.
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Chapter 14 Solutions
Brock Biology of Microorganisms, Books a la Carte Edition (14th Edition)
Ch. 14.1 - Why is it necessary to consider microbial...Ch. 14.1 - What are three reasons that functional traits...Ch. 14.2 - What form of photosynthesis was most likely the...Ch. 14.3 - What are the differentiating properties of the...Ch. 14.3 - Prob. 2MQCh. 14.4 - What is the source of the purple color from which...Ch. 14.4 - Prob. 2MQCh. 14.5 - What are some similarities between purple...Ch. 14.5 - Prob. 2MQCh. 14.6 - Prob. 1MQ
Ch. 14.6 - Prob. 2MQCh. 14.7 - Prob. 1MQCh. 14.7 - Prob. 2MQCh. 14.8 - What types of anoxygenic phototrophs contain...Ch. 14.8 - Prob. 2MQCh. 14.9 - What are the typical electron donors used by...Ch. 14.9 - What bacterial phyla are known to contain...Ch. 14.10 - What are the typical electron donors used by...Ch. 14.10 - Prob. 2MQCh. 14.11 - Describe the energy and carbon metabolism of...Ch. 14.11 - What are some ecological strategies that sulfur...Ch. 14.12 - What mechanisms do free-living diazotraphs use to...Ch. 14.12 - Prob. 2MQCh. 14.13 - Under what conditions would you expect...Ch. 14.13 - Prob. 2MQCh. 14.14 - In what phylogenetic groups are Geobacter and...Ch. 14.14 - Prob. 2MQCh. 14.15 - What habitat characteristics govern the diversity...Ch. 14.15 - How do aerobic neutrophilic iron-oxidizers keep...Ch. 14.16 - Prob. 1MQCh. 14.16 - Prob. 2MQCh. 14.17 - What is the difference between a methanotroph and...Ch. 14.17 - What is unique about the methanotroph...Ch. 14.18 - Prob. 1MQCh. 14.18 - Prob. 2MQCh. 14.19 - Prob. 1MQCh. 14.19 - What are the different ways in which species of...Ch. 14.20 - What are the major differences between spirochetes...Ch. 14.20 - Name two diseases of humans caused by spirochetes.Ch. 14.21 - Prob. 1MQCh. 14.21 - Prob. 2MQCh. 14.22 - Describe how a sheathed bacterium such as...Ch. 14.22 - List two metals that are oxidized by sheathed...Ch. 14.23 - What benefit do magnetic bacteria accrue from...Ch. 14.23 - Would you expect to find greigite or magnetite in...Ch. 14.24 - Prob. 1MQCh. 14.24 - Prob. 2MQCh. 14 - What is convergent evolution and how is it...Ch. 14 - Which bacterial phyla contain phototrophs?Ch. 14 - How are prochlorophytes, such as Prochlorococcus,...Ch. 14 - Compare and contrast the metabolism, morphology,...Ch. 14 - Compare and contrast the metabolism of purple...Ch. 14 - REVIEW QUESTIONS
6. In what group of organisms...Ch. 14 - Prob. 7RQCh. 14 - In what ways is Chloracidobacterium thermophilum...Ch. 14 - Prob. 9RQCh. 14 - In what ways are sulfur-reducing bacteria...Ch. 14 - Prob. 11RQCh. 14 - What are some ways that diazotrophs protect...Ch. 14 - Prob. 13RQCh. 14 - Prob. 14RQCh. 14 - Prob. 15RQCh. 14 - Prob. 16RQCh. 14 - Prob. 17RQCh. 14 - What are the differences between type I and type...Ch. 14 - Prob. 19RQCh. 14 - Compare and contrast the life cycle of Myxococcus...Ch. 14 - Contrast the motility of spirochetes with that of...Ch. 14 - Contrast the life cycle of Hyphomicrobium with...Ch. 14 - Prob. 23RQCh. 14 - In what way does a magnetosome contribute to the...Ch. 14 - Prob. 25RQCh. 14 - Describe a key physiological feature of the...Ch. 14 - APPLICATION QUESTIONS
2. Describe the metabolism...
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- What aeration condition (presence or absence of O2) favors cell growth? What is the metabolic explanation for this influence of oxygen on biomass formation?arrow_forwardFor Escherichia coli, why is more energy released in aerobicrespiration than during NO3- reduction?arrow_forwardHow does the efficiency of aeroobic respiration differ from fermentation?arrow_forward
- List environments in which methanogenesis and methane oxidation occurarrow_forwardWhich 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.arrow_forwardHow do denitrifying and sulfate-reducing bacteriadegrade hydrocarbons anaerobically and withoutoxygenases?arrow_forward
- Compare the production of N2 gas by denitrification and anammox. Are they both aerobic processes? What are the implications for a given pool of NO2 2 and NO3 2?arrow_forwardWhat is the net energy yield of one round of the TCA cycle?arrow_forwardWhat evidence is there that anoxygenic and oxygenicphotosynthesis are related processes?arrow_forward
- What are differences between aerobic and anaerobic respiration? Name some organisms that use anaerobic mode of respiration.arrow_forwardWhich of these are valid sulfur cycle pathways? Sedimentation of thiosulfates Anoxic emission of sulfides Atmospheric S6 deposition O Elemental sulfur oxidation by Thiobacillus Mineralization of organic and inorganic sulfates O co2 photochemolithotrophic fixation by anaerobic bacteria Mineral formation from reduced sulfidesarrow_forwardHow does the presence of cristae in the mitochondrial membrane increase the productivity of aerobic respiration in eukaryocytes?arrow_forward
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