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 21.9, Problem 2RIA
Summary Introduction
The phylum Planctomycetes includes microbes that contain intracellular components. These bacteria are most commonly seen in aquatic habitats such as marine water, fresh water and samples of brackish water. These bacteria undergo reproduction by budding.
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Chapter 21 Solutions
Prescott's Microbiology
Ch. 21.3 - In what ways are members of Aquifex and Thermotoga...Ch. 21.3 - Prob. 2RIACh. 21.3 - Design an experiment designed to explore the role...Ch. 21.3 - Explain the relationship between genome size and...Ch. 21.4 - Why do you think NH3 is converted to the amino...Ch. 21.4 - Which of the phototrophs discussed perform...Ch. 21.4 - Prob. 1.2RIACh. 21.4 - Compare the capacity of green nonsulfur...Ch. 21.4 - Prob. 2.1RIACh. 21.4 - Prob. 2.2RIA
Ch. 21.4 - Prob. 2.3RIACh. 21.4 - Describe how a vegetative cell, a heterocyst, and...Ch. 21.4 - Prob. 2.5RIACh. 21.4 - Prob. 2.6RIACh. 21.5 - Prob. 1MICh. 21.7 - Prob. 1MICh. 21.7 - Prob. 1RIACh. 21.7 - Prob. 2RIACh. 21.7 - Prob. 3RIACh. 21.7 - Prob. 4RIACh. 21.7 - What might have been some of the culture...Ch. 21.9 - How would you test whether or not Gld proteins are...Ch. 21.9 - Prob. 1RIACh. 21.9 - Prob. 2RIACh. 21.9 - Prob. 3RIACh. 21.9 - Prob. 4RIACh. 21.9 - Why are cytophagas ecologically important?Ch. 21 - The cyanobacterium Anabaena grows well in liquid...Ch. 21 - Compare the structural and functional differences...Ch. 21 - Prob. 3CHICh. 21 - Some believe that an ancient planctomycete evolved...Ch. 21 - Prob. 5CHICh. 21 - In 2014 a team of Chinese and Czech...
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- 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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