Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Textbook Question
Chapter 17.12, Problem 2MQ
- How are the lipids and ribosomes of hyperthermophiles protected from heat denaturation?
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Chapter 17 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 17.1 - Since cells of Halobacterium require high levels...Ch. 17.1 - What benefit does bacteriorhodopsin confer on...Ch. 17.1 - Contrast the roles of bacteriorhodopsin,...Ch. 17.2 - Prob. 1MQCh. 17.2 - Prob. 2MQCh. 17.2 - Prob. 1CRCh. 17.3 - Prob. 1MQCh. 17.3 - Prob. 2MQCh. 17.3 - What two major physiological features unify...Ch. 17.4 - Prob. 1MQ
Ch. 17.4 - Prob. 2MQCh. 17.4 - Prob. 1CRCh. 17.5 - Prob. 1MQCh. 17.5 - Prob. 2MQCh. 17.5 - Prob. 1CRCh. 17.6 - Prob. 1MQCh. 17.6 - Prob. 2MQCh. 17.6 - Prob. 1CRCh. 17.7 - Prob. 1MQCh. 17.7 - Prob. 1CRCh. 17.8 - What form of energy metabolism is widespread among...Ch. 17.8 - Prob. 2MQCh. 17.8 - Prob. 1CRCh. 17.9 - Prob. 1MQCh. 17.9 - Prob. 2MQCh. 17.9 - Prob. 1CRCh. 17.10 - What can we conclude about the...Ch. 17.10 - Prob. 2MQCh. 17.10 - Prob. 1CRCh. 17.11 - Prob. 1MQCh. 17.11 - Why would it be impossible for organisms to grow...Ch. 17.11 - What organism is the current record holder for the...Ch. 17.12 - How do hyperthermophiles keep proteins and DNA...Ch. 17.12 - How are the lipids and ribosomes of...Ch. 17.12 - What is reverse DNA gyrase and why is it important...Ch. 17.13 - What phylogenetic and physiological evidence...Ch. 17.13 - Prob. 2MQCh. 17.13 - Which chemolithotrophic lifestyle seems best...Ch. 17.13 - Why might H2 metabolism have evolved as a...Ch. 17 - Using the phylogenetic tree in Figure 17.1 as a...Ch. 17 - Prob. 2AQ
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- Why would ether linkages be more stable in membranes than ester lipids? How would the presence of tetraether linkages stabilize a thermophile’s membrane?arrow_forwardHow might the enzymes of thermophiles differ from those of other organisms?arrow_forwardHow do hyperthermophiles keep proteins and DNA from beingdestroyed by high heat?arrow_forward
- What is the main barrier that prevents hydrophillic molecules from entering cells?arrow_forwardWhat effect does solute concentration have on microbes? How can cells adapt when going from a low solute to a high solute environment and vice versa? What is a compatible solute? What microbial groups have a requirement for high solute concentrations? How do microbes differ in their response to water activity?arrow_forwardWhich phosphorylation method is/are used by chemoheterotrophs?arrow_forward
- Organısms that grow at temperatures in excess of 100 C are known as A) O thermophiles ) O extreme halophiles C) O psychrophiles D) O hyperpsychrophiles E) O hyperthermophiles.arrow_forwardWhat are Thermoacidophiles ?arrow_forwardWhere are extreme halophiles found, and what is unusual about their cell walls and growth requirements?arrow_forward
- Some hyperthermophiles can survive autoclaving temperatures. Are they a concern in health care?arrow_forwardA chemolithotroph would use which of the following as a source of energy? magnetic field glucose light H2arrow_forwardClassify the electron holders used by microorganisms according to the rate of biodegradation. What advantages and disadvantages does this provide in terms of biodegradation?arrow_forward
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