Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 23.10, Problem 1MQ
What evidence suggest that the nematodes and their bacterial symbionts have coevolved?
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Hydrogen bonds play an important role in stabilizing and organizing biological macromolecules. Consider the four macromolecules discussed. Describe three examples where hydrogen bond formation affects the form or function of the macromolecule.
Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI).
Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN).
Laboratory Analysis:
Body: Large leaves emerging from underground rhizome.
Size: 63 cm
Chromosomal Analysis: Plant body is diploid—chromosome number of 44.
Lignin test: Positive
Cuticle: Present
Leaves: Present—large with branched veins. Underside has sori (containing haploid spores).
Roots: Present—branch from the inside.
Stem: Present—vascular tissue (xylem & phloem) present.
Life History: Diploid sporophyte dominant generation. Haploid spores germinate into heart-shaped, haploid, gametophyte. Water required for fertilization; no seed is produced. Diploid zygote develops into sporophyte.
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Chapter 23 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 23.1 - What two microbes form a partnership in the lichen...Ch. 23.1 - Prob. 2MQCh. 23.1 - Prob. 1CRCh. 23.2 - What is the evidence that "Chlorochromatium...Ch. 23.2 - Prob. 2MQCh. 23.2 - How might nutrients be shuttled between phototroph...Ch. 23.2 - QWhat mechanisms do the consortia use to orient at...Ch. 23.3 - Prob. 1MQCh. 23.3 - Prob. 2MQCh. 23.3 - What is a bacteroid and what occurs within it?...
Ch. 23.3 - What are the major similarities and differences...Ch. 23.3 - QDescribe the steps in the development of root...Ch. 23.4 - Prob. 1MQCh. 23.4 - Prob. 2MQCh. 23.4 - How do mycorrhizal fungi promote plant diversity?Ch. 23.4 - Prob. 1CRCh. 23.5 - Prob. 1MQCh. 23.5 - How do the vir genes differ from T-DNA in the Ti...Ch. 23.5 - How has an understanding of crown gall disease...Ch. 23.5 - Prob. 1CRCh. 23.6 - Prob. 1MQCh. 23.6 - What are the consequences of symbiont genome...Ch. 23.6 - How could it be determined if a symbiont and its...Ch. 23.6 - QHow is it possible for aphids to feed only on the...Ch. 23.7 - How are anoxic conditions maintained in the...Ch. 23.7 - Why does reductive acetogenesis predominate over...Ch. 23.7 - Prob. 3MQCh. 23.7 - QHow do the microbial communities of higher and...Ch. 23.8 - Prob. 1MQCh. 23.8 - Prob. 2MQCh. 23.8 - How is the correct bacterial symbiont selected in...Ch. 23.9 - Prob. 1MQCh. 23.9 - What are the similarities of the obligate...Ch. 23.9 - Prob. 3MQCh. 23.9 - Prob. 1CRCh. 23.10 - What evidence suggest that the nematodes and their...Ch. 23.10 - What prevents other bacteria from colonizing the...Ch. 23.10 - QWhy are entomopathogenic nematodes so attractive...Ch. 23.11 - Prob. 1MQCh. 23.11 - What are the two mechanisms of Symbiodinium...Ch. 23.11 - Prob. 3MQCh. 23.11 - Prob. 1CRCh. 23.12 - Prob. 1MQCh. 23.12 - Prob. 2MQCh. 23.12 - Prob. 1CRCh. 23.13 - Prob. 1MQCh. 23.13 - Prob. 2MQCh. 23.13 - Prob. 3MQCh. 23.13 - QGive an example of a single microbial species...Ch. 23 - Imagine that you have discovered a new animal that...Ch. 23 - Prob. 2AQ
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