Quiz Applications of Microbes 1

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Barton Community College *

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1412

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Biology

Date

Apr 3, 2024

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pdf

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2

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During the wastewater treatment process, which step removes the most BOD? Secondary treatment Metagenomics is the cultivation-independent study of communities or their members by analyzing genetic material taken directly from an environment. This provides the taxonomic diversity and genetic capabilities of a microbial community, which has made studying microbial ecology a much more manageable task. Which of the following microbes are considered "alcohol fermenters" because they perform alcohol fermentation? *Note: due to formatting issues, assume all scientific names are italicized. Saccharomyces Which of the following is the most common group of bacteria used as an indicator organism for undrinkable water during a water test? *Note: due to formatting issues, assume all scientific names are italicized. Coliforms Match the following terms used in microbial ecology with their appropriate definition: Autotroph any organism that transforms energy from the sun Abiotic factors refers to the non-living components of an ecosystem
Biotic factors refers to the living components of an ecosystem Niche role an organism plays in a particular environment Ecosystem consists of a community of organisms and the non-living environment with which they interact Heterotroph any organism that consumes other organisms for energ y Food spoilage can occur when microbes, such as Pseudomonas or Penicillium , produce metabolites that have undesirable tastes or odors. Although food spoilage may damage the quality of the food, they are generally nonharmful. True Microbes can grow as a community in a microbial mat, which is a thick, dense, highly organized structure composed of distinct layers. Which of the following is a microbe that could be considered part of this community? purple sulfur bacteria cyanobacteria sulfate-reducing bacteria is the use of microbes to degrade pollutants in a given environment. Bioremediation
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