PRESCOTT'S MICROBIOLOGY
11th Edition
ISBN: 9781264073375
Author: WILLEY
Publisher: MCG
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Chapter 27.2, Problem 8CC
Why is the X. nematophila–S. carpocapsae symbiosis considered a cooperation? What other types of microbial interactions are in play during the nematode life cycle?
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Explain down bellow what happens to the cell in pictures not in words:
Decreased pH in mitochondria
Increased ATP
Decreased pH in cytosol
Increased hydrolysis
Decreasing glycogen and triglycerides
Increased MAP kinase activity
Poor ion transport → For each one:→ What normally happens?→ What is wrong now?→ How does it mess up the cell?
1.) Community Diversity:
The brown and orange line represent two different plant communities.
a. Which color represents the community with a higher species richness?
b. Which color represents the community with a higher species evenness?
Relative abundance
0.1
0.04
0.001
2 4 6
8
10 12 14 16 18 20 22 24
Rank abundance
c. What is the maximum value of the Simpson's diversity index (remember, Simpson's
index is D = p², Simpson's diversity index is 1-D)?
d. If the Simpson's diversity index equals 1, what does that mean about the number of
species and their relative abundance within community being assessed?
1.) Community Diversity:
The brown and orange line represent two different plant communities.
a. Which color represents the community with a higher species richness?
b. Which color represents the community with a higher species evenness?
Relative abundance
0.1
0.04
0.001
2 4 6
8
10 12 14 16 18 20 22 24
Rank abundance
c. What is the maximum value of the Simpson's diversity index (remember, Simpson's
index is D = p², Simpson's diversity index is 1-D)?
d. If the Simpson's diversity index equals 1, what does that mean about the number of
species and their relative abundance within community being assessed?
Chapter 27 Solutions
PRESCOTT'S MICROBIOLOGY
Ch. 27.2 - What methanogenic substrates are also available in...Ch. 27.2 - What is the nutritional type of the endosymbiotic...Ch. 27.2 - How could one test to see if an insect-microbe...Ch. 27.2 - What is the role of the Riftia tube worms...Ch. 27.2 - Prob. 3CCCh. 27.2 - What is meant by tight trophic coupling between...Ch. 27.2 - Why is it important that the rumen is a reducing...Ch. 27.2 - Describe the mutualism between methanogenic...Ch. 27.2 - How does cooperation differ from mutualism? What...Ch. 27.2 - Why is the X. nematophilaS. carpocapsae symbiosis...
Ch. 27.3 - Prob. 1CCCh. 27.3 - Why is nitrification a good example of a...Ch. 27.3 - Describe the amensalism observed in attine ant...Ch. 27.3 - Prob. 4CCCh. 27.4 - How does myxobacterial predation differ from that...Ch. 27.4 - Define predation and parasitism. How are these...Ch. 27.4 - What is a lichen? Why is this considered an...Ch. 27.4 - What is the competitive exclusion principle? List...Ch. 27 - Prob. 1RCCh. 27 - Prob. 2RCCh. 27 - Prob. 3RCCh. 27 - Prob. 4RCCh. 27 - Prob. 5RCCh. 27 - Prob. 6RCCh. 27 - Prob. 7RCCh. 27 - Prob. 8RCCh. 27 - Prob. 9RCCh. 27 - Prob. 10RCCh. 27 - Prob. 11RCCh. 27 - Prob. 12RCCh. 27 - Prob. 13RCCh. 27 - Describe an experimental approach to determine if...Ch. 27 - Prob. 2ALCh. 27 - Prob. 3ALCh. 27 - Prob. 4AL
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