BROCK BIOLOGY OF MICRO(LL)W/MOD.MASTER.
15th Edition
ISBN: 9780134773384
Author: MADIGAN
Publisher: PEARSON
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Chapter 17.8, Problem 2MQ
Summary Introduction
Thermophiles are the organisms mostly microbes which survive in extreme heat environment at the temperature of 41oC and above upto 122oC. Thermophilic organisms survive in hotsprings, volcano sediments and deep sea hydrothermal vents. Thermophiles have higher
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In what environments might the following organisms be found? hyperthermophile
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Chapter 17 Solutions
BROCK BIOLOGY OF MICRO(LL)W/MOD.MASTER.
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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- How might the use of isozymes permit an aquatic organism to persist with a gradual increase in thermal pollution but not a rapid increase in thermal pollution?arrow_forwardHow might the temperature and pH tolerance of ahyperthermophile living in a solfatara differ from that of ahyperthermophile living in a hydrothermal vent?arrow_forwardHow would you isolate thermophilic chemolithotroph thatuses sulfur compounds as a source of energy and electron?What changes in the incubation system will be required toisolate a bacteria using sulphur in an anaerobic system?arrow_forward
- What 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_forwardIn what environments might the following organisms be found? thermophilearrow_forwardWhich has a greater impact on the survival of an organism, temperatures above its maximum temperature or temperatures below its minimum temperature? Explain why and how this relates to typicalmethods used to control microbial growth.arrow_forward
- In what environments might the following organisms be found? psychrophilearrow_forwardHow would a facultative anaerobe growth curve change if it was placed in the presence of oxygen environment? If the organism were to be placed in an anaerobic environment during log phase, how would the growth curve look?arrow_forwardA chemolithoautotroph is respiring using only iron (Fe3+) and nitrite (NO2-). This bacterium does not consume organic molecules. How does this organism make proton motive force?arrow_forward
- Why do chemotrophs have to use oxygen? The definition of chemotrophs is = organisms that gain chemical energy by oxidizing bonds. Do the organisms have to oxidize bonds using oxygen?arrow_forwardSo we know that the cloudier the broth is, the more microbes are growing in the broth. How can you use this information to determine if a newly discovered species is a psychrophile, mesophile, or thermophile. Describe a very simple experiment to use the information in the first sentence to determine their temperature preference.arrow_forwardWhat is the role of oxygen in aerobic respiration? What type(s) of metabolism can occur in the absence of oxygen? Name two enzymes that are present in obligate aerobes but lacking in obligate anaerobes. What is the function of each enzyme Describe the difference between the appearance of surface and subsurface colonies in a pour plate. If this is the same bacterial species, why do these differences in colonial growth occur?arrow_forward
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