Modified Mastering Microbiology with Pearson eText -- Standalone Access Card -- for Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134631530
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Textbook Question
Chapter 1.13, Problem 3MQ
- List three reasons why rRNA genes are suitable for phylogenetic analyses.
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Would a protein encoded on the core genome or one encoded only on the pan-genome be best to use in constructing a phylogenetic tree? Explain your answer
For the E.coli. bacteria (prokaryotic species) and humans (eukaryotic species), show photos of their location in the phylogenetic tree, and their clade.
Carl Woese discovered that genes encoded for rRNAs are good candidates for phylogenetic analysis. Determine at least four characteristics/properties of these rRNA genes that make them effective molecular chronometers.
Chapter 1 Solutions
Modified Mastering Microbiology with Pearson eText -- Standalone Access Card -- for Brock Biology of Microorganisms (15th Edition)
Ch. 1.1 - In what ways are microorganisms important to...Ch. 1.1 - Why are microbial cells useful for understanding...Ch. 1.1 - What is a microbial colony and how is one formed?Ch. 1.1 - What are bacterial colonies and how are they...Ch. 1.2 - What structures are universal to all types of...Ch. 1.2 - Prob. 2MQCh. 1.2 - What structures can be used to distinguish between...Ch. 1.2 - Prob. 1CRCh. 1.3 - How old is Earth and when did cells first appear...Ch. 1.3 - Prob. 2MQ
Ch. 1.3 - Why were cyanobacteria so important in the...Ch. 1.3 - Prob. 1CRCh. 1.4 - Prob. 1MQCh. 1.4 - Prob. 2MQCh. 1.4 - Prob. 3MQCh. 1.4 - Prob. 1CRCh. 1.5 - Define the terms magnification and resolution.Ch. 1.5 - Prob. 2MQCh. 1.5 - Prob. 1CRCh. 1.6 - Prob. 1MQCh. 1.6 - Prob. 2MQCh. 1.6 - How can cells be made to fluoresce?Ch. 1.6 - Prob. 1CRCh. 1.7 - Prob. 1MQCh. 1.7 - Prob. 2MQCh. 1.7 - Prob. 1CRCh. 1.8 - Prob. 1MQCh. 1.8 - Prob. 2MQCh. 1.8 - Prob. 1CRCh. 1.9 - Prob. 1MQCh. 1.9 - Prob. 2MQCh. 1.9 - Besides ending the controversy over spontaneous...Ch. 1.9 - Explain the principle behind the Pasteur flask in...Ch. 1.10 - How do Kochs postulates ensure that cause and...Ch. 1.10 - What advantages do solid media offer for the...Ch. 1.10 - Prob. 3MQCh. 1.10 - Prob. 1CRCh. 1.11 - What is meant by the term enrichment culture?Ch. 1.11 - Prob. 2MQCh. 1.11 - What were the major microbiological interests of...Ch. 1.12 - Describe the experiments that proved DNA was the...Ch. 1.12 - Why are microbial cells useful tools for basic...Ch. 1.12 - Describe the experiments that proved DNA to be the...Ch. 1.13 - What kinds of evidence support the three-domain...Ch. 1.13 - What is a phylogenetic tree?Ch. 1.13 - List three reasons why rRNA genes are suitable for...Ch. 1.13 - What insights led to the reconstruction of the...Ch. 1.14 - How are viruses different from Bacteria, Archaea,...Ch. 1.14 - What four bacterial phyla contain the most...Ch. 1.14 - Prob. 3MQCh. 1.14 - What features (or lack of features) can be used to...Ch. 1 - Pasteurs experiments on spontaneous generation...Ch. 1 - Describe the lines of proof Robert Koch used to...Ch. 1 - Imagine that all microorganisms suddenly...
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- With two specific examples, explain why phylogenetics is a useful scientific tool for studying Organismal biology?arrow_forwardWhat are three reasons that functional traits might notcorrespond with distinct phylogenetic groups as defined by16S ribosomal RNA gene sequences?arrow_forwardWhen constructing a phylogenetic tree, what problem would horizontal gene transfer pose?arrow_forward
- What is the best approach for E. coli phylogenetics?arrow_forwardDescribe at least one reason that the traditional phylogenetic tree model may require modification.arrow_forwardCarl Woese has recognized that genes encoding rRNAs are excellent candidates for phylogenetic analysis. Identify at least 4 characteristics/properties of these rRNA genes which make them good molecular chronometers.arrow_forward
- 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?arrow_forwardWhy is sequence alignment critical to phylogenetic analysis?arrow_forwardWhy are the phylogenetic trees generated using MEGA and PhyML different?arrow_forward
- The genome relatedness of different organisms can be shown with a phylogenetic tree constructed based on DNA sequence. (1) Why DNA sequences could be used to deduce genome relationship? (2) What else may be used to suggest the relatedness of different genomes?arrow_forwardDo these phylogenetic trees tell the same story?arrow_forwardExplain the steps for Constructing a species-level phylogenetic tree usingDNA sequences ?arrow_forward
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