Connect With Learnsmart Labs Online Access For Prescott's Microbiology
11th Edition
ISBN: 9781260408997
Author: Joanne Willey
Publisher: Mcgraw-hill Higher Education (us)
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Textbook Question
Chapter 30.2, Problem 2MI
How do heterotrophic microbes contribute to the pool of DOM? How does this compare with the manner by which microbial autotrophs contribute to the DOM pool?
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Chapter 30 Solutions
Connect With Learnsmart Labs Online Access For Prescott's Microbiology
Ch. 30.1 - Prob. 1MICh. 30.1 - What factors influence oxygen solubility? How is...Ch. 30.1 - Describe the buffering system that regulates the...Ch. 30.1 - Prob. 3CCCh. 30.1 - What features of a thermocline make it similar to...Ch. 30.2 - How is sulfur cycled between the anoxygenic...Ch. 30.2 - Prob. 1.1CCCh. 30.2 - Prob. 1.2CCCh. 30.2 - How do heterotrophic microbes contribute to the...Ch. 30.2 - Prob. 3MI
Ch. 30.2 - What is marine snow? Why is it important in CO2...Ch. 30.2 - Prob. 2.2CCCh. 30.2 - Prob. 2.3CCCh. 30.2 - Prob. 2.4CCCh. 30.2 - Prob. 2.5CCCh. 30.2 - Explain what is meant by upside-down microbial...Ch. 30.2 - Prob. 2.7CCCh. 30.3 - Figure 30.15 Nutrient Cycling in Antarctic Lakes...Ch. 30.3 - How does the contribution of benthic autotrophs...Ch. 30.3 - Why does water turbulence play only a minor role...Ch. 30.3 - Why is mixotrophy suited for survival in Antarctic...Ch. 30.3 - What is an oxygen sag curve? What changes in a...Ch. 30.3 - What are point and nonpoint source pollution? Can...Ch. 30.3 - Prob. 4CCCh. 30.3 - Prob. 5CCCh. 30.3 - Why do cyanobacteria often dominate waters that...Ch. 30 - Prob. 1RCCh. 30 - Prob. 2RCCh. 30 - Prob. 3RCCh. 30 - Prob. 4RCCh. 30 - Prob. 5RCCh. 30 - Prob. 6RCCh. 30 - Prob. 7RCCh. 30 - Prob. 8RCCh. 30 - The unicellular cyanobacterium Prochlorococcus sp....Ch. 30 - Prob. 2ALCh. 30 - It is well known that bacterivory (the consumption...Ch. 30 - Prob. 4AL
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- What is the difference between assimilatory nitrate reduction and denitrification? Which reaction is performed by many microbes, and which is a more specialized metabolic capability?arrow_forwardWhat is the role of nitrate in microbial metabloism?arrow_forwardWhat is narrow spectrum of microbial activity?arrow_forward
- 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_forwardWhat is the value of monitoring changes in microbial abundance and diversity as a function of varied storage conditions?arrow_forwardWhy are extended periods of exponential microbialgrowth in nature rare and often slower than ratesrecorded in laboratory settings?arrow_forward
- What is one difference between fermentation and anaerobic respiration? Since neither requires oxygen, why would a microbe select one of these versus the other? Name a specific microbe which uses fermentation and a specific microbe which uses anaerobic respiration.arrow_forwardRequires oxygen at a lower concentration than typically found in air. Question 3 options: a) Obligate aerobe b) Facultative anaerobe c) microaerophile d) None of the abovearrow_forwardWhich type of organism (obligate anaerobe, microaerophile, facultative anaerobe, aerotolerant anaerobe) would most likely be affected negatively by the use of old media? Which type of organism (obligate anaerobe, microaerophile, facultative anaerobe, aerotolerant anaerobe) would most likely be affected positively by the use of old media? Which type of organism (obligate anaerobe, microaerophile, facultative anaerobe, aerotolerant anaerobe) would be least affected by old media?arrow_forward
- Discuss the possibility of life on Mars. Will extremophiles prove useful? Can you explain the upper-temperature limit to life unrelated to the stability of proteins or nucleic acids? How influential is microbial activity on the geological processes of mineral formation and deposition compared to biological processes? Can you argue both sides? What are the challenges and advantages of the use of extremeophiles in industrial or bioremediation applications?arrow_forwardHow do microbes differ in their response to oxygen levels? Why would they differ? What enzymes are needed to adapt to environments containing differing amounts of oxygen?arrow_forwardDiscuss the following statement: ‘Microbial metabolisms are coupled acrossthe anoxic-oxic interface in several environments.’ Draw on at least threespecific examples to support your arguments.arrow_forward
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