Answered: Bioremediation includes _____. a. the…

Bioremediation includes _____. a. the use of prokaryotes that can fix nitrogen b. the use of prokaryotes to clean up pollutants c. the use of prokaryotes as natural fertilizers d. All of the above

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter13: Diversity Of Microbes, Fungi, And Protists

Section: Chapter Questions

Problem 7RQ: Bioremediation includes _____. a. the use of prokaryotes that can fix nitrogen b. the use of...

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Concept explainers

Environmental Microbiology

Environmental biology deals with the study of microorganisms and their interaction with their surroundings. This term itself covers the microbial interactions with water, soil, air, and microbial too.

Question

Bioremediation includes _____.
a. the use of prokaryotes that can fix nitrogen
b. the use of prokaryotes to clean up pollutants
c. the use of prokaryotes as natural fertilizers
d. All of the above

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The production of by prokaryotes increased its atmospheric concentration and enabled more complex forms of life to evolve. (a) carbon dioxide (b) oxygen (c) nitrogen (d) all of the above
Some bacteria have the ability to “fix” nitrogen. This means a. they convert ammonia into nitrites and nitrates. b. they convert atmospheric nitrogen gas into biologically useful forms of nitrogen. c. they break down nitrogen-rich compounds and release ammonium ions. d. they convert nitrate into nitrogen gas.
New cells generate from(a) bacterial fermentation (b) regeneration of old cells (c) pre-existing cells (d) abiotic materials
If prokaryotes were to disappear suddenly, which part of the nitrogen cycle would shut down? Select all that apply Select one or more: a. Nitrification b. Fixation c. Denitrification d. Ammonification
Which of the following are prokaryotic? a. bacteria b. archaea c. protists d. both a and b
Bacteria that serve as decomposers are______ . a. photoautotrophs c. chemoautotrophs b. photoheterotrophs d. chemoheterotrophs
Microbial mats __________. a. are the earliest forms of life on Earth b. obtained their energy and food from hydrothermal vents c. are multi-layered sheets of prokaryotes including mostly bacteria but also archaea d. all of the above
Which of the following statements DOES NOT describe nitrogen fixing bacteria? A. Can be found only as a symbiotes associated with the root nodules of legumes. B. Maybe be present in soil. C. Converts atmospheric nitrogen to organic nitrogen. D. Composed of many species of bacteria.
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Why are bacterial decomposers important? a. They produce spores. b. Common in biotechnology. c. They fix nitrogen. d. They break down complex organic molecules in wastes and remains. e. Most cause disease.
Plants cannot fix nitrogen, yet some plants do NOT need nitrogen from the soil. This is because a. of a symbiotic association with a bacterium that can fix nitrogen. b. these plants are the exceptions that can fix nitrogen. c. they have been infected by a parasitic virus that can fix nitrogen. d. they are able to obtain nitrogen from the air.