Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Textbook Question
Chapter 14.12, Problem 1MQ
What mechanisms do free-living diazotraphs use to protect nitrogenase from oxygen?
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Chapter 14 Solutions
Brock Biology of Microorganisms (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 is the final electron acceptor for anaerobic organisms? What does this mean?arrow_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_forwardWhy is reverse electron flow unnecessary in H2 bacteria thatcontain two hydrogenases?arrow_forward
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- Why are hydrogenases oxygen sensitive? Why is that an issue for the systems described?arrow_forwardA genetically modified bacterium was cultivated to produce 1,3-propanediol (1,3-PDO), and the following yields were obtained: YX/S = 0.106 gX/gS and YP/S = 0.28 gP/gS. Knowing that the culture medium was formulated with glucose, ammonia and some mineral salts, and the cultivation was carried out under aerobic conditions, answer:a) What is the oxygen demand in this process?b) What is the maximum theoretical yield of 1,3-PDO in this process?c) Projecting the scale-up, what cell concentration must be reached to obtain 10 kg of 1,3-PDO in a batch reactor with 1 m3 of culture?arrow_forwardIn a Lineweaver-Burk graph, the place where the line crosses the Y-axis represents: a) Km b) Vmax c) 1/Km d) 1/Vmax Which coenzyme is most often used in dehydrogenation reactions of the type –CH2CH2- = -CH=CH- ? a) NAD b) FAD c) NADP d) FMN Which one of these transports fructose? A) GLUT-2 b) GLUT-3 c) GLUT-4 d) GLUT-5 The pyruvate dehydrogenase complex converts pyruvate to which molecule? A) oxaloacetate b) glycogen c) acetyl-CoA d) citrate The pyruvate dehydrogenase complex produces how many ATP molecules at the substrate level? A) 0 b) 1 c) 3 d) 4 The pyruvate dehydrogenase complex produces how many ATP molecules indirectly via oxidative phosphorylation per glucose molecule? A) 1 b) 3 c) 5 d) over 30arrow_forward
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