Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 22, Problem 38CTQ
Imagine a region of soil became contaminated, killing bacteria that decompose dead plants and animals. How would this effect the carbon cycle in the area? Be specific in stating where carbon would accumulate in the cycle.
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Imagine a region of soil became contaminated, killing bacteria that decompose dead plants and animals. How would this effect the carbon cycle in the area? Be specific in stating where carbon would accumulate in the cycle.
Make a diagram showing the interconnection between carbon and nitrogen cycle. Indicate possible microorganisms (scientific name) involved in each process.
What would happen if all microorganisms were to vanish from the nitrogen cycle? Give an explanation for your response.
Chapter 22 Solutions
Biology 2e
Ch. 22 - Figure 22.8 Compared to free-floating bacteria,...Ch. 22 - Figure 22.16 Which of the following statements is...Ch. 22 - Figure 22.19 Which of the following statements...Ch. 22 - The first forms of life on Earth were thought to...Ch. 22 - Microbial mats. are the earliest forms of life on...Ch. 22 - The first organisms that oxygenated the atmosphere...Ch. 22 - Halophiles are organisms that require a salt...Ch. 22 - Many of the first prokaryotes to be cultured in a...Ch. 22 - The presence of a membrane-enclosed nucleus is a...Ch. 22 - Which of the following consist of prokaryotic...
Ch. 22 - The cell wall is ___________ . interior to the...Ch. 22 - Organisms most likely to be found in extreme...Ch. 22 - Prokaryotes stain as Gram-positive or Gramnegative...Ch. 22 - Pseudopeptidoglycan is a characteristic of the...Ch. 22 - The lipopolysaccharide layer (LPS) is a...Ch. 22 - Which of the following elements is not a...Ch. 22 - Prokaryotes that obtain their energy from chemical...Ch. 22 - Ammonification is the process by which. ammonia is...Ch. 22 - Plants use carbon dioxide from the air and are...Ch. 22 - Cyanobacteria harness energy from the sun through...Ch. 22 - A disease that is constantly present in a...Ch. 22 - Which of the statements about biofilms is...Ch. 22 - Which of these statements is true? An antibiotic...Ch. 22 - A person in England arrives at a medical clinic...Ch. 22 - MRSA has emerged as a serious infectious disease,...Ch. 22 - Which of these occurs through symbiotic nitrogen...Ch. 22 - Synthetic compounds found in an organism but not...Ch. 22 - Bioremediation includes. the use of prokaryotes...Ch. 22 - In addition to providing yogurt with its unique...Ch. 22 - Describe briefly how you would detect the presence...Ch. 22 - Why do scientists believe that the first organisms...Ch. 22 - A new bacterial species is discovered and...Ch. 22 - Mention three differences between bacteria and...Ch. 22 - Explain the statement that both types, bacteria...Ch. 22 - A scientist isolates a new species of prokaryote...Ch. 22 - Think about the conditions (temperature, light,...Ch. 22 - Farmers continually rotate the crops grown in...Ch. 22 - Imagine a region of soil became contaminated,...Ch. 22 - Explain the reason why the imprudent and excessive...Ch. 22 - Researchers have discovered that washing spinach...Ch. 22 - Your friend believes that prokaryotes are always...Ch. 22 - Many people use antimicrobial soap to kill...
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- Figure 20.12 Which of the following statements about the nitrogen cycle is false? a. Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+) . b. Denitrification by bacteria converts nitrates (NO3) to nitrogen gas (N2) . c. Nitrification by bacteria converts nitrates (NO3) to nitrites (NO2) . d. Nitrogen fixing bacteria convert nitrogen gas (N2) into organic compounds.arrow_forwardPlease explain answers well as this is practice earrow_forwardWhy does decomposition by microbes deplete O2 ?arrow_forward
- Your friend's cottage is on a lake that has experienced numerous blooms of cyanobacteria (blue green algae) in recent years. Which chemical is most likely responsible for these blooms? methane phosphorus iron nitrogen carbon dioxide Previous PageNext Pagearrow_forwardA microorganism that uses just nitrogen to generate energy would be classified asarrow_forwardWhich term describes a major reservoir of carbon compounds? Select one: carbon pump carbon dam carbon sink solar damarrow_forward
- Why a medium of a biofilter should have a high content of inorganic nutrients?arrow_forwardUse a well annotatedschematic diagram to explain the carbon cycle. In each case indicate which micro-organisms areresponsible for the respective reactions.arrow_forwardIllustrate one biogeochemical cycle where you are one of the components and write a short explanation tosupport your figure.arrow_forward
- Which of the following statements is not true about bioremediation and biodegradation? Microbes played a critical role in metabolizing the crude oil in the Deepwater Horizon spill in the Gulf of Mexico. Oil-degrading microbes have enzymes that use molecules in the oil as substrates. Phosphorus and nitrogen stimulate the growth of oil-degrading microbes. dding easily metabolized organic matter such as glucose increases biodegradation. The biodegradation of plastics is fast because of their chemical structure and properties.arrow_forwardWhich of the following is false concerning the carbon cycle? Decomposers take organic carbon and turn it into inorganic nutrients (phosphorus, sulfur, nitrogen, etc.) Consumers take in organic carbon (food) and convert the waste into carbon dioxide. C) Producers take carbon dioxide and turn it into organic carbon (food). Plants take organic carbon (food) and convert the waste into carbon dioxide.arrow_forwardState whether the following is True or False of the process of eutrophication from the overuse of fertilizers. Group of answer choices Eutrophication often starts with stimulating algal growth [ Choose ] TRUE FALSE Eutrophication results in loss of dissolved oxygen from the process of photosynthesis [ Choose ] TRUE FALSE It is the decomposition of algae after algal blooms that lead to bacterial growth causing a loss of oxygen [ Choose ] TRUE FALSE Eutrophication is a natural process and can occur in the absence of fertilizers [ Choose ] TRUE FALSEarrow_forward
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