Brock Biology Of Microorganisms - Package
14th Edition
ISBN: 9780134462660
Author: MADIGAN
Publisher: PEARSON
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Textbook Question
Chapter 14.1, Problem 2MQ
- What are three reasons that functional traits might not correspond with distinct phylogenetic groups as defined by 16S ribosomal RNA gene sequences?
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what is a major problem with morphologically based analysis of wale placement in a phylogenetic tree ?
There are 27 sequences from 27 individuals belonging to an unidentified group of organisms. Eleven (11) sequences were mined from NCBI while the rest are unpublished sequences from Mindanao. Sequences labeled with "SSL" are from Agusan Marsh while sequences labeled with "CKL/CITLR" and "CWL" are from Camiguin Island and Dinagat Islands respectively. Finally, sequences labeled with "MSLA" are from Mt. Magdiwata. From the nucleotide results and generated phylogenetic tree below:
a) What group of organisms is represented by the phylogenetic tree?
b) Identify the source (species) of each sequence.
c) How many species are present in the generated tree?
d) What species is considered as the outgroup?
e) What genetic marker is utilized to generate the sequences?
f) Which specimen group is more closely related to "SSL"? CKL or MSLA? Justify your answer
h) Based on the results, what possible species name can be assigned to the MSLA group?
What are molecular scissors? Explain their role.
Chapter 14 Solutions
Brock Biology Of Microorganisms - Package
Ch. 14.1 - Why is it necessary to consider microbial...Ch. 14.1 - What are three reasons that functional traits...Ch. 14.2 - What form of photosynthesis was most likely the...Ch. 14.3 - What are the differentiating properties of the...Ch. 14.3 - Prob. 2MQCh. 14.4 - What is the source of the purple color from which...Ch. 14.4 - Prob. 2MQCh. 14.5 - What are some similarities between purple...Ch. 14.5 - Prob. 2MQCh. 14.6 - Prob. 1MQ
Ch. 14.6 - Prob. 2MQCh. 14.7 - Prob. 1MQCh. 14.7 - Prob. 2MQCh. 14.8 - What types of anoxygenic phototrophs contain...Ch. 14.8 - Prob. 2MQCh. 14.9 - What are the typical electron donors used by...Ch. 14.9 - What bacterial phyla are known to contain...Ch. 14.10 - What are the typical electron donors used by...Ch. 14.10 - Prob. 2MQCh. 14.11 - Describe the energy and carbon metabolism of...Ch. 14.11 - What are some ecological strategies that sulfur...Ch. 14.12 - What mechanisms do free-living diazotraphs use to...Ch. 14.12 - Prob. 2MQCh. 14.13 - Under what conditions would you expect...Ch. 14.13 - Prob. 2MQCh. 14.14 - In what phylogenetic groups are Geobacter and...Ch. 14.14 - Prob. 2MQCh. 14.15 - What habitat characteristics govern the diversity...Ch. 14.15 - How do aerobic neutrophilic iron-oxidizers keep...Ch. 14.16 - Prob. 1MQCh. 14.16 - Prob. 2MQCh. 14.17 - What is the difference between a methanotroph and...Ch. 14.17 - What is unique about the methanotroph...Ch. 14.18 - Prob. 1MQCh. 14.18 - Prob. 2MQCh. 14.19 - Prob. 1MQCh. 14.19 - What are the different ways in which species of...Ch. 14.20 - What are the major differences between spirochetes...Ch. 14.20 - Name two diseases of humans caused by spirochetes.Ch. 14.21 - Prob. 1MQCh. 14.21 - Prob. 2MQCh. 14.22 - Describe how a sheathed bacterium such as...Ch. 14.22 - List two metals that are oxidized by sheathed...Ch. 14.23 - What benefit do magnetic bacteria accrue from...Ch. 14.23 - Would you expect to find greigite or magnetite in...Ch. 14.24 - Prob. 1MQCh. 14.24 - Prob. 2MQCh. 14 - What is convergent evolution and how is it...Ch. 14 - Which bacterial phyla contain phototrophs?Ch. 14 - How are prochlorophytes, such as Prochlorococcus,...Ch. 14 - Compare and contrast the metabolism, morphology,...Ch. 14 - Compare and contrast the metabolism of purple...Ch. 14 - REVIEW QUESTIONS
6. In what group of organisms...Ch. 14 - Prob. 7RQCh. 14 - In what ways is Chloracidobacterium thermophilum...Ch. 14 - Prob. 9RQCh. 14 - In what ways are sulfur-reducing bacteria...Ch. 14 - Prob. 11RQCh. 14 - What are some ways that diazotrophs protect...Ch. 14 - Prob. 13RQCh. 14 - Prob. 14RQCh. 14 - Prob. 15RQCh. 14 - Prob. 16RQCh. 14 - Prob. 17RQCh. 14 - What are the differences between type I and type...Ch. 14 - Prob. 19RQCh. 14 - Compare and contrast the life cycle of Myxococcus...Ch. 14 - Contrast the motility of spirochetes with that of...Ch. 14 - Contrast the life cycle of Hyphomicrobium with...Ch. 14 - Prob. 23RQCh. 14 - In what way does a magnetosome contribute to the...Ch. 14 - Prob. 25RQCh. 14 - Describe a key physiological feature of the...Ch. 14 - APPLICATION QUESTIONS
2. Describe the metabolism...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Are these phylogenetic trees the same?arrow_forwardIf you are to compare the genetic sequences between monkeys and fungi, what molecular sequence are you going to use? Why? How about comparing genetic sequences of monkeys to humans, what genetic sequence will you use? Provide an explanation.arrow_forwardDo these phylogenetic trees tell the same story?arrow_forward
- If mutations such as those of the Ubx gene can drastically change morphology in a single step, why do most evolutionary biologists maintain that modification of existingtraits and the evolution of novel characters have generally proceeded by successive small steps?arrow_forwardHow are DNA sequences obtained for phylogenetic analysis?arrow_forwardShown above are three possible phylogenetic trees for species I, II and III reconstructed based on the 4-nucleotide DNA sequences given in the righthand table. In every tree, each hatchmark on a branch represents a single base-change event. The most parsimonious tree would be - A. Both X and Y. B. X. C. Y. D. Both Y and Z. E. Z.arrow_forward
- Why is sequence alignment critical to phylogenetic analysis?arrow_forwardWhat is "homology"? What is BLAST and how is it used? What’s a major assumption when drawing evolutionary relationships between organisms based onDNA sequences?arrow_forwardList three reasons why rRNA genes are suitable for phylogeneticanalyses.arrow_forward
- If a sequence from another species showed a 96 percent sequence similarity to humans, would that species be more or less closely related to humans than chimpanzees are?arrow_forwardReferring to the phylogenetic tree shown above, answer the following questions: 1. How many OTUs are included in the phylogenetic analysis? 2. How many clades are there? 3. What is an autapomorphic trait of the domestic cat? Explain why? 4. What is the shared derived trait (synapomorphy) in the Family Felidae? Explain why?arrow_forward
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