EBK BROCK BIOLOGY OF MICROORGANISMS
15th Edition
ISBN: 8220103633352
Author: Stahl
Publisher: PEARSON
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Textbook Question
Chapter 13.8, Problem 1CR
What is the "species problem" and why is the concept of microbial species difficult to resolve?
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Chapter 13 Solutions
EBK BROCK BIOLOGY OF MICROORGANISMS
Ch. 13.1 - What characteristics would have made the surface...Ch. 13.1 - How do we know when oceans were first present on...Ch. 13.1 - What lines of reasoning support the hypothesis...Ch. 13.1 - What is LUCA, and what is a plausible explanation...Ch. 13.2 - Why is the origin of cyanobacteria considered a...Ch. 13.2 - What caused the development of banded iron...Ch. 13.2 - What lines of evidence indicate that microbial...Ch. 13.2 - Why was the origin of cyanobacteria of such...Ch. 13.3 - What kinds of evidence support the three-domain...Ch. 13.3 - What is LUCA and what are some of its...
Ch. 13.3 - Which of the three domains is the least ancient?Ch. 13.3 - What evidence supports the classification of life...Ch. 13.4 - What evidence supports the idea that the...Ch. 13.4 - In what ways are modern eukaryotes a combination...Ch. 13.4 - Describe the different hypotheses for the...Ch. 13.4 - What is the endosymbiotic hypothesis for the...Ch. 13.5 - What are the different processes that give rise to...Ch. 13.5 - What is the difference between selection and...Ch. 13.5 - In the experiment of Figure 13.12, why did the...Ch. 13.5 - What is fitness? To what degree does fitness...Ch. 13.6 - What is the difference between the core and pan...Ch. 13.6 - What kind of recombination might have the greatest...Ch. 13.6 - What effects do deletions have on the evolution of...Ch. 13.6 - What are some processes that influence the content...Ch. 13.7 - How are DNA sequences obtained for phylogenetic...Ch. 13.7 - What does a phylogenetic tree depict?Ch. 13.7 - Prob. 3MQCh. 13.7 - What is the difference between a gene tree and an...Ch. 13.8 - What is the difference between taxonomy and...Ch. 13.8 - What are some key criteria from the phylogenetic...Ch. 13.8 - How many species of Bacteria and Archaea have been...Ch. 13.8 - What is the "species problem" and why is the...Ch. 13.9 - What class of genes is used in MLST analyses?Ch. 13.9 - How is ribotyping different from rep-PCR?Ch. 13.9 - What is FAME analysis?Ch. 13.9 - Prob. 1CRCh. 13.10 - What roles do culture collections play in...Ch. 13.10 - What is the IJSEM and what taxonomic function does...Ch. 13.10 - Why might viable cell cultures be of more use in...Ch. 13.10 - Prob. 1CRCh. 13 - Compare and contrast the physical and chemical...Ch. 13 - For the following sequences, construct the...Ch. 13 - Imagine that you have been given several bacterial...Ch. 13 - Imagine that you have discovered a new form of...
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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
- What is symbiosis?arrow_forwardWhy is E. coli O157:H7 an organism of concern in contaminated foods? The strain is represented as O157:H7. Which particular “parts” of the bacterial cell do the “O” and “H” refer to?arrow_forwardWhat is an indicator species and what does this have to do with parasites?arrow_forward
- Why is the Endosymbiotic theory so important?arrow_forwardWhat is the significance of microbial diversity? How do you assess diversity? Explain your answer.arrow_forwardWhat are the main differences between stationary and decline phase? Which type of bacteria will survive in decline phase?arrow_forward
- A genetically engineered microorganism used successfully in bioremediation of oil spills is of which species?arrow_forwardWhat is the impact of antibiotic resistance aquatic species to genetic diversity?arrow_forwardWhy do variations in generation time exist:a. Among different species of microorganisms?b. Within a single microbial species?arrow_forward
- In a series of infection experiments, a researcher discovers that the ID50 value for the infectious bacterium Parasiticum mucoides is 2,000, and that the ID50 for another infectious bacterium, Donoteatum thisbacterium, is 150. Given these data, a person exposed to 1,000 bacteria of each type would be more likely to be infected by which bacterium? There is no way to know given the information provided Both infections are equally likely Donoteatum thisbacterium Parasiticum mucoidesarrow_forwardWhat do we mean when we talk about bacterial species?arrow_forwardWhich of the following statements is TRUE? Log cell numbers 1 Time a) The generation time for bacteria is usually the same from species to species. b) In the lag phase, cell death exceeds cell division. c) Bacteria typically divide by budding, producing a daughter cell that is smaller than the parental cell. d) In the death phase, bacterial growth stops because of nutrient depletion and waste accumulation.arrow_forward
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