Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 13, Problem 7RQ
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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Chapter 13 Solutions
Concepts of Biology
Ch. 13 - Figure 13.6 Which of the following statements is...Ch. 13 - The first forms of life on Earth were thought to...Ch. 13 - The first organisms that oxygenated the atmosphere...Ch. 13 - Which of the following consist of prokaryotic...Ch. 13 - Prokaryotes stain as Gram-positive or...Ch. 13 - Prokaryotes that obtain their energy from chemical...Ch. 13 - Bioremediation includes _____. a. the use of...Ch. 13 - What event is thought to have contributed to the...Ch. 13 - Mitochondria most likely evolved from_______. a. a...Ch. 13 - Protists with the capabilities to absorb nutrients...
Ch. 13 - Which parasitic protist evades the host immune...Ch. 13 - Which polysaccharide is usually found in the cell...Ch. 13 - What term describes the close association of a...Ch. 13 - Explain the reason why the imprudent and excessive...Ch. 13 - Your friend believes that prokaryotes are always...Ch. 13 - Describe the hypothesized steps in the origin of...Ch. 13 - How does killing Anopheles mosquitoes affect the...Ch. 13 - Without treatment, why does African sleeping...Ch. 13 - Why can superficial mycoses in humans lead to...
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- 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. Ammonificationarrow_forwardWhich of the following are prokaryotic? a. bacteria b. archaea c. protists d. both a and barrow_forwardBacteria that serve as decomposers are______ . a. photoautotrophs c. chemoautotrophs b. photoheterotrophs d. chemoheterotrophsarrow_forward
- 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 abovearrow_forwardWhich 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.arrow_forwardOrganisms most likely to be found in extreme environments are ________. a. fungi b. bacteria c. viruses d. archaeaarrow_forward
- If all prokaryotes were eliminated from the planeta) animals would thrive because there would be no disease.b) archaea would thrive because there would be no competition for nutrients.c) all animals would die.d) animals and archaea would thrive.arrow_forwardWhy 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.arrow_forwardPlants 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.arrow_forward
- When do bacteria form endospores? a-When environmental conditions are unfavourable b-When they want to carry out photosynthesis c-When they want to reproduce through binary fission d-When they want to reproduce through conjugationarrow_forwardWhen do bacteria form endospores? a-when they get ready to reproduce b-when environmental conditions become unfavorable c-when they get ready to carry out conjugation d-when they carry out photosynthesisarrow_forwardWhich of the following events is NOT a common among microbes in the air? A. Exposure to UV light. B. Relocated due to updrafts. C. Cellular death due to desiccation. D. Decrease is population due to competition.arrow_forward
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