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Questions and Answers
What is the main role of bacteria in the nutrient cycle?
What is the main role of bacteria in the nutrient cycle?
- Recycling nutrients and fixing nitrogen from the atmosphere (correct)
- Converting dissolved compounds to energy
- Decomposing dead bodies and putrefaction
- Providing energy to sustain life in extreme environments
Where can bacteria be found?
Where can bacteria be found?
- Hydrothermal vents and cold seeps only
- Deep biosphere of Earth's crust only
- Gut and skin of animals only
- Soil, water, acidic hot springs, and radioactive waste (correct)
Which branch of microbiology is dedicated to the study of bacteria?
Which branch of microbiology is dedicated to the study of bacteria?
- Virology
- Mycology
- Parasitology
- Bacteriology (correct)
What type of relationships do bacteria have with plants and animals?
What type of relationships do bacteria have with plants and animals?
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What is the size range of bacteria typically?
What is the size range of bacteria typically?
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