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2025 Fall 2 ENVS 2126E for Melissa Driessnack (Online)
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Which of the following methods is commonly used for concentrating bacteria from water samples?
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Why is electropositive filtering not ideal for seawater samples during virus collection?
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Air and Surface Sampling::Match each sampling device or method with its description.
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A team is drilling into deep subsurface sediments (500m depth) to analyze microbial life in an anaerobic aquifer. What is the MOST LIKELY challenge they will face when collecting subsurface microbial samples?
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Which airborne sampling method has the greatest biological sampling efficiency?
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Following sample collection and processing, direct counts offer the best approach for gaining information on the sample's population size and community diversity.
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You want to collect an air sample for the presence of PM2.5 particles, which method offers you accurate particle size determination in your samples?
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What is the main concern when processing subsurface soil samples?
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A pharmaceutical company is searching for heat-stable enzymes for use in industrial processes. They focus on bacteria isolated from Yellowstone National Park’s geothermal hot springs, where microbes thrive at temperatures above 70°C. Which of the following microbial adaptations would MOST LIKELY make these bacteria valuable for industrial applications?
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Which group of microorganisms plays a major role in the oxidation of iron in AMD environments?
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