Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Chapter 19.1, Problem 2RIA
What is polyphasic taxonomy, and what three types of data does it consider? Should each type of data be of equal weight? Why or why not?
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This question has 3 parts (A, B, & C), and is under the subject of Nutrition. Thank you!
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Chapter 19 Solutions
Prescott's Microbiology
Ch. 19.1 - What is a natural classification? What microbial...Ch. 19.1 - What is polyphasic taxonomy, and what three types...Ch. 19.1 - Consider the finding that bacteria capable of...Ch. 19.2 - What is the difference between a microbial species...Ch. 19.2 - Why is it important to have a type strain for each...Ch. 19.2 - The genus Salmonella was once thought to contain...Ch. 19.3 - MICRO INQUIRY Would this curve be shifted to the...Ch. 19.3 - Why does isolate #2 yield only one DNA fragment...Ch. 19.3 - What are the advantages of using each major group...Ch. 19.3 - Why is it not safe to assume that two...
Ch. 19.3 - Prob. 3RIACh. 19.3 - Why is rRNA so suitable for determining...Ch. 19.3 - Prob. 5RIACh. 19.4 - Could a phylotype be considered an OTU? What about...Ch. 19.4 - List the differences between distance-based and...Ch. 19.4 - Prob. 3RIACh. 19.4 - You are building a tree based on 16S rRNA sequence...Ch. 19.4 - Is HGT involved in movement of genes in the core...Ch. 19.5 - On what evidence is this hypothesis based?Ch. 19.5 - Construct a scenario in which each of the...Ch. 19.5 - Which do you think would have a pan-genome more...Ch. 19.5 - Define ecotype. Do you think it is necessary to...Ch. 19.5 - What is the difference between the core genome and...Ch. 19.5 - Of the following genes, which do you think are...Ch. 19.5 - Prob. 4RIACh. 19.6 - Why is the second edition of Bergeys Manual no...Ch. 19.6 - Describe two different situations in which it...Ch. 19 - Consider the fact that the use of 16S rRNA...Ch. 19 - Bacteria and Archaea were classified phenetically...Ch. 19 - You have recently established a pure culture of a...Ch. 19 - Prob. 4CHICh. 19 - Prob. 5CHICh. 19 - In 2007 a severe food-borne outbreak of...Ch. 19 - Prob. 7CHI
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- This question has multiple parts (A, B & C), and under the subject of Nutrition. Thank you!arrow_forwardCalculate the CFU/ml of a urine sample if 138 E. coli colonies were counted on a Nutrient Agar Plate when0.5 mls were plated on the NA plate from a 10-9 dilution tube. You must highlight and express your answerin scientific notatioarrow_forwardDon't copy off the other answer if there is anyarrow_forward
- Use the following information to answer the question(s) below. Martin Wikelski and L. Michael Romero (Body size, performance and fitness in Galápagos marine iguanas, Integrative and Comparative Biology 43 [2003]:376-86) measured the snout-to-vent (anus) length of Galápagos marine iguanas and observed the percent survival of different-sized animals, all of the same age. The graph shows the log snout-vent length (SVL, a measure of overall body size) plotted against the percent survival of these different size classes for males and females. Survival (%) 100- 80- 60- 40- 20- 0+ 1.9 T 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Log SVL (mm) 19) Examine the figure above. What type of selection for body size appears to be occurring in these marine iguanas? A) directional selection B) stabilizing selection C) disruptive selection D) You cannot determine the type of selection from the above information. 3arrow_forward24) Use the following information to answer the question below. Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined (see table) and used to determine the actual allele frequencies in the population. TT 0.49 Tt 0.42 tt 0.09 Refer to the table above. Is this population in Hardy-Weinberg equilibrium? A) Yes. C) No; there are more homozygotes than expected. B) No; there are more heterozygotes than expected. D) It is impossible to tell.arrow_forward30) A B CDEFG Refer to the accompanying figure. Which of the following forms a monophyletic group? A) A, B, C, and D B) C and D C) D, E, and F D) E, F, and Garrow_forward
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