Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 27, Problem 7TYU
Summary Introduction
To review:
The reason behind finding a close relationship between mitochondrial DNA (deoxyribonucleic acid) and bacterial DNA considered particularly strong evidence in favor of endosymbiosis theory.
Introduction:
According to the endosymbiotic theory, the mitochondria was formed by the endocytosis of aerobic bacteria by an anaerobic bacterium to survive in the oxygen-rich environment. In order to validate the hypothesis and confirm the phylogenetic relationship between mitochondria and bacteria, their gene sequences were compared.
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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
Biological Science (6th Edition)
Ch. 27 - Why are protists considered paraphyletic? a. They...Ch. 27 - 2. The most important primary producers in marine...Ch. 27 - 3. What does amoeboid motion result from?
a....Ch. 27 - According to the endosymbiosis theory, what type...Ch. 27 - Prob. 5TYUCh. 27 - Prob. 6TYUCh. 27 - Prob. 7TYUCh. 27 - 8. The text claims that the evolutionary history...Ch. 27 - Prob. 9TYPSSCh. 27 - Prob. 10TYPSS
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