PRESCOTT'S MICROBIOLOGY
11th Edition
ISBN: 2818440045677
Author: WILLEY
Publisher: MCG
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Chapter 30.2, Problem 2.6CC
Explain what is meant by “upside-down microbial energetics,” as described for some deep-subsurface ocean sediments.
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Chapter 30 Solutions
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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- 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_forwardDeep Biosphere Microbes Complete each sentence about the benthic microorganisms. 1. Sediment samples from water depths up to 8,200 m reveal the presence of a vast (Click to select) ✓ 2. The piezosphere describes the (Click to select) ✓ at depths with pressures exceeding 100 atm. 3. Here microbes are 10 to 10,000 greater per unit volume than in productive surface waters. Reasons for this difference are complicated but include high energy availability and limited (Click to select) Estimates indicate that the benthic microorganisms comprise up to one-third of Earth's total living (Click to select) ✓arrow_forwardWhich of the following statements is not true about bioremediation and biodegradation? Microbes played a critical role in metabolizing the crude oil in the Deepwater Horizon spill in the Gulf of Mexico. Oil-degrading microbes have enzymes that use molecules in the oil as substrates. Phosphorus and nitrogen stimulate the growth of oil-degrading microbes. dding easily metabolized organic matter such as glucose increases biodegradation. The biodegradation of plastics is fast because of their chemical structure and properties.arrow_forward
- Why are microbial communities important in biodegradation?arrow_forwardQC271. An aquifer has following different formations, their thickness and Hydraulic conductivity are given below. Assume that each formation is isotropic and homogeneous. Compute both the equivalent horizontal and vertical hydraulic conductivities. Formation 1 Thickness (m) 0.163 Hydraulic Conductivity (m/day) Formation Thickness (m) Hydraulic Conductivity (m/day) Formation 3 46 27.658 106.5 101 Thickness (m) 132.7630 2 0.202 53 47 28.867 108.8 102 135 4020 Hydraulic Conductivity (m/day) 233 235 3 3 0.267 7.6 30.102 111.1 103 138.0670 237.6 0.358 49 31.363 113.4 104 140.7580 239.9 5 0.475 122 50 32650 115.7 105 143.4750 242 2 6 0.618 14.5 51 33.963 118. 106 146 2180 244 5 7 0.787 16.8 52 35.302 120.3 107 148 9870 246 8 8 0.982 19.1 53 36.6670 1226 108 151.7820 249.1 1.203 214 54 38.0580 124.9 109 154.6030 2514 10 1.450 23.7 55 39.4750 127.2 110 157 4500 253.7 11 1.723 26 56 40 9180 129.5 111 160 3230 256 12 2.022 28.3 57 42 3870 131.8 112 163 2220 258.3 13 2.347 30.6 58 43.8820 134.1…arrow_forwardWhy canal/pond water supports growth and development of microbes?arrow_forward
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