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- MAKE TABULAR DATA SHOWING THE ABILITY OF MICROORGANISMS PRESENT IN THE ENVIRONMENT THAT ARE CAPABLE OF DEGRADING PETROLEUM PRODUCTS.
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- List other industrial products that are produced using microorganisms. Specify the main species involved.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.Sewage works use microbes in many ways to break down organic matter. Which of the following processes is NOT carried out? Pathogenic bacteria and viruses are added to the input sewage as a tracer and to ensure the processes have all worked well Bacteria and archaea are used in sludge digesters to breakdown organic matter anaerobically Bacterial trickle filter beds have a wide variety of microbes to break down organic matter Activated sludge selects for Gram negative bacteria that break down waste
- The following is not an indication of a very low BOD except? A The water is healthy thus, water quality is high. B) Contamination is present. c) The available microorganisms are uninterested in consuming the available organics. The available microorganisms are dead or dying.Expalin in detail the one use and one potential environmental risk of sludge usage.Give a brief but critical discussion about microbial growth in natural environments and how it differs from the laboratory culturing of micro-organisms.
- Listen Which of the following regarding controlling microbial growth is true? a) Microbial death rate increases with an increase in temperature b) The more microbes present, the shorter amount of time it will take to kill the population E c) Gram-positive bacteria tend to be more resistant to chemicals than gram- negative bacteria d) Microbial death rate increases as pH approaches 7 (neutral) Previous Page Submit Quiz $ R Next Page 5 of 10 questions saved % H K Page 4 of 10List two ways in which microorganisms are important in the food and agricultural industries.Describe how bacteria are used in sewage treatment.
- Because so few organisms can be successfully cultivated in the laboratory, studying only those that have been isolated often does not give an accurate picture of what actually happens in nature. Discuss why is that so and give an alternative approach to study the microbial community.Propose a confirmatory procedure that will determine if the microbial growth recovered from canned food that displays no evidence of spoilage is from the canned product itself or from laboratory contaminationCorrelate changes in nutrient concentrations in natural environments with the five phases of a microbial growth curve