Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 24, Problem 13TF
Summary Introduction
Introduction:
The atmosphere has the largest volume for nitrogen gas, followed by oxygen, and other gases account for the remaining volume. All the living organisms require nitrogen, as the genetic material and proteins contains nitrogen.
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Chapter 24 Solutions
Microbiology: A Systems Approach
Ch. 24.1 - Define microbial ecology.Ch. 24.1 - Summarize why our view of the abundance of...Ch. 24.1 - Prob. 3AYPCh. 24.1 - Prob. 4AYPCh. 24.1 - Prob. 5AYPCh. 24.2 - List five important elements of biogeochemical...Ch. 24.2 - Diagram a carbon cycle.Ch. 24.2 - Prob. 8AYPCh. 24.2 - Prob. 9AYPCh. 24.2 - Describe the process of nitrogen fixation, and...
Ch. 24.2 - Prob. 11AYPCh. 24.3 - Prob. 12AYPCh. 24.3 - Prob. 13AYPCh. 24.3 - Prob. 14AYPCh. 24.3 - Prob. 15AYPCh. 24.3 - Prob. 16AYPCh. 24.3 - Prob. 17AYPCh. 24.4 - Prob. 18AYPCh. 24.4 - Prob. 19AYPCh. 24 - Which of the following is not a major subdivision...Ch. 24 - Prob. 2MCQCh. 24 - Prob. 3MCQCh. 24 - Prob. 4MCQCh. 24 - Root nodules contain ______, which can ________....Ch. 24 - Prob. 6MCQCh. 24 - Prob. 7MCQCh. 24 - Prob. 8MCQCh. 24 - Prob. 9MCQCh. 24 - Recent studies reveal that a. 100% of...Ch. 24 - Prob. 11TFCh. 24 - Prob. 12TFCh. 24 - Prob. 13TFCh. 24 - A plastisphere is a specialized ball used when...Ch. 24 - Prob. 15TFCh. 24 - Prob. 1CTQCh. 24 - a. Outline the general characteristics of a...Ch. 24 - Summarize the role microbes play in the cycling of...Ch. 24 - Many people use animal manure to fertilize their...Ch. 24 - PCBs are human-made pollutants that are not...Ch. 24 - Prob. 1VCCh. 24 - From chapter 8, figure 8.24. What process does...Ch. 24 - Prob. 1CM
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- In the nitrogen cycle the Assimilation process is a metabolic reaction: anabolic, catabolic, endergonic, exergonic, heterotrophic or autotrophic.arrow_forwardWhat product is generated by assimilation in the nitrogen cycle.arrow_forwardRegarding nitrogen fixation, are the following statements True or False? a) Atmospheric nitrogen is reduced to the biologically useful form NH3 (or NH4 ). b) Nitrogen fixation in nature and in the lab requires a metal cofactor or catalyst. c) The availability of fixed nitrogen limits biological productivity. d) Ammonium from the atmosphere is fixed to more usable forms of nitrogen, such as nitrite (NO2–). e) Nitrogen fixation is energetically neutral, using a negligible amount of ATP. f) The enzyme nitrogenase, which takes part in nitrogen fixation, is inactivated by oxygen.arrow_forward
- Define nitrogen fixation. What organisms are capable of nitrogen fixation?arrow_forwardWhich of the following is not correct about nitrogen fixation? Carried out only by few prokaryotic organisms termed diazotrophs It requires metabolic energy None of the above Enzyme that catalyzes the reduction of nitrogen is termed as nitrogenase complexarrow_forwardWhy is nitrogen fixation so energetically costly?arrow_forward
- Given that the bottom of the ocean is anaerobic, what process in the nitrogen cycle is likely to be occurring in this location?arrow_forwardFigure 22.19 Which of the following statements about the nitrogen cycle is false? Nitrogen fixing bacteria exist on the root nodules of legumes and in the soil. Denitrifying bacteria convert nitrates (NO3 ) into nitrogen gas (N2). Ammonification is the process by which ammonium ion (NH4+) is released from decomposing organic compounds. Nitrification is the process by which nitrites (NO2-) are converted to ammonium ion (NH4+).arrow_forwardNitrogen fixation is the conversion of nitrogen in present in soil or organisms. Nitrogen fixation is done only by Some bacteria Air to a form that isarrow_forward
- Identify, by metabolic type, the microorganisms responsible for carbon and nitrogen fixation, and the mineralization of organic carbon and nitrogen under oxic and anoxic conditionsarrow_forwardOrganic forms of nitrogen are converted to inorganic forms via what process? a)photosynthesis b)consumption c)nitrogen fixation d)decompositionarrow_forwardWhat is nitrogen fixation?what are proteins involved?how do they participate in fixation nitrogenarrow_forward
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