If we are to rely on microorganisms to biodegrade wastes in landfills,aquatic habitats, and soil, list some ways that this process could bemade more efficient.
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If we are to rely on microorganisms to biodegrade wastes in landfills,
aquatic habitats, and soil, list some ways that this process could be
made more efficient.
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Solved in 2 steps
- Why is it important to reduce the amount of biodegradable organic matter and nutrients during sewage treatment?You are responsible for the bioremediation of soil contaminated by jet fuel. Your coworker suggests you fertilize the soil with nitrogen and phosphorus to promote the growth of naturally occurring hydrocarbon-degrading microbes. However, you just read about a new mixture of microbes sold in a slurry with nutrients and a surfactant. What data do you need to collect to decide which approach would be best? How will you obtain these data?Explain why, to the best of our knowledge, most microorganisms resist culturing in the laboratory
- Why are microbial communities important in biodegradation?Sources of Microplastics.Why does secondary treatment of wastewater require O2? A. Secondary treatment relies on anaerobic microbes to oxidize organic material. B.Secondary treatment relies on anaerobic microbes to reduce organic material. C.Secondary treatment relies on aerobic microbes to oxidize organic material. D.Photosynthetic bacteria are involved in secondary treatment and they require O2. E. Flocs require oxygen to facilitate biofilm formation.
- Why canal/pond water supports growth and development of microbes?Microbes can provide beneficial activities. Bioremediation (using bacteria) is a process used to treat contaminated media, including water, soil and subsurface material". How?A microbe that relies on nitrogenase for metabolism would benefit from living in a biofilm containing another microbe with which type of metabolism? A. Assimilatory nitrate oxidation B. Dissimilatory sulfite reduction nitrate reduction C. Dissimilatory nitrite oxidation D. Dissimilatory E. Assimilatory nitrate reduction
- Discuss the THREE (3) main stages crucial to microbial leaching of copper from a low-grade ore, indicating the reactions where necessary. In your answer, state ONE (1)example of a bacterium useful to this process.Which of the following agents (yeast, bacteria, and molds) do you think should be utilized to achieve a greater mass production while at the same time maintaining a cost-effective and economical production?Which of the following microorganisms are not derivedfrom human pollution but can be found in water supply systemsand are considered “nuisance” organisms?(a) Coliform bacteria (d) Thiobacillus(b) Rhizobium (e) Clostridium(c) Azotobacter