Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Textbook Question
Chapter 31.3, Problem 2.4CC
Describe the uptake and transfer of ammonium by arbuscular mycorrhizae to the plant host. Why is only the ammonium is transferred?
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Chapter 31 Solutions
Prescott's Microbiology
Ch. 31.1 - How are filamentous microbes especially well...Ch. 31.1 - Prob. 1CCCh. 31.1 - Prob. 2CCCh. 31.1 - What microbes commonly degrade cellulose and...Ch. 31.1 - Which of the following soils would a farmer be...Ch. 31.1 - Why is most nitrogen fertilizer added as ammonium...Ch. 31.2 - What are the differences in preferred soil...Ch. 31.2 - What types of archaea have been detected in soils?Ch. 31.2 - Prob. 3CCCh. 31.3 - Define rhizosphere, rhizoplane, and associative...
Ch. 31.3 - What unique stresses does a microorganism on a...Ch. 31.3 - List two ways in which compounds produced by...Ch. 31.3 - What important genera are involved in associative...Ch. 31.3 - Prob. 1MICh. 31.3 - Prob. 2.1CCCh. 31.3 - Prob. 2.2CCCh. 31.3 - What is the function of the rhizomorph and the...Ch. 31.3 - Describe the uptake and transfer of ammonium by...Ch. 31.3 - Propose two potential functions for mycorrhization...Ch. 31.3 - How do you think Frankia spp. protect nitrogenase...Ch. 31.3 - List several bacteria that are considered...Ch. 31.3 - Prob. 3.2CCCh. 31.3 - What does the term terminally differentiated mean?Ch. 31.3 - How does nitrogen transfer between a rhizobium and...Ch. 31.3 - What is unusual about leghemoglobin production and...Ch. 31.3 - What are the two general mechanisms by which...Ch. 31.3 - How does the production of opines by the plant...Ch. 31.3 - What is the difference between the Ti plasmid and...Ch. 31.3 - What functions do the members of the two-component...Ch. 31.3 - What are the two general ways by which plant...Ch. 31.3 - How are plant pathologists attempting to control...Ch. 31.4 - Compare and contrast the metabolism (specifically,...Ch. 31.4 - What happens in terms of microbiological processes...Ch. 31.4 - What microbial genera have been observed in oil...Ch. 31 - Prob. 1RCCh. 31 - Prob. 2RCCh. 31 - Prob. 3RCCh. 31 - Prob. 4RCCh. 31 - Prob. 5RCCh. 31 - Prob. 6RCCh. 31 - Prob. 7RC
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- Indoor plants have poor arbuscular mycorrhizal colonization as compare to plants grown in open area. Suggest the possible reason for this.arrow_forwardWhat are the factors affecting the pathogenicity of a parasitic amoeba? Explain.arrow_forwardEndomycorrhiza of forest trees contributes to the efficient nutrient cycling in tropical forest ecosystems. Reason.arrow_forward
- Mycorrhizal fungi form obligate symbiotic relationships within plants. They are able to fix N2 into a usable form of nitrogen. In exchange, they receive nutrition from the plant. Which of the following is a true statement concerning mycorrhizal fungi? a) Finding a host plant is not crucial to their survival. b) They are a dominant species. c) They cannot survive without the host plant. d) They are considered plant parasites.arrow_forwardIn mycorrhizal associations with plants what are the structures produced by VAM fungi and Ectomycorrhizal fungi to facilitate the exchange of nutrients, and how do they differ?arrow_forwardMycorrhiza is an example of what?arrow_forward
- Describe the process of host: bacteria recognition, attachment and infection for Rhizobium and legumes. What does the Rhizobium gain from association with the plant? What does the plant gain?arrow_forwardGive the significance of mycorrhizal association to the host plant and to the fungi.arrow_forwardCompare and contrast the production of a planttumor by Agrobacterium tumefaciens and a root noduleby a Rhizobium species. In what ways are thesestructures similar? In what ways are they different?Of what importance are plasmids to the developmentof both structures?arrow_forward
- What are mycorrhizae? a) The bodies of fungi, composed of hyphae b) fungi that attack plant roots, causing disease C) fungal hyphae that are massed together into stringlike structures d) fungi that have symbiotic partnerships with algae or cyanobacteria e) mutually beneficial associations of particular fungi and plant rootsarrow_forwardDescribe the important ecological role of mycorrhiza.arrow_forwardDescribe arbuscular mycorrhizae.arrow_forward
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