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, Problem 6CHI
In 2014 a team of Chinese and Czech microbiologists reported the discovery a new microbe capable of photoheterotrophic growth isolated from a freshwater lake in the Gobi Desert. The group performed many experiments to characterize this isolate, including 16S rRNA followed by whole-genome sequencing. Predict what they discovered in these analyses that supported the conclusions that the microbe is a member of the phylum Gemmatimonadetes, that it is a photoheterotroph, and that it acquired its genes for photosynthesis via horizontal gene transfer from purple sulfur bacteria.
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If you had an unknown microbe, what steps would you take to determine what type of microbe (e.g., fungi, bacteria, virus) it is? Are there particular characteristics you would search for? Explain.
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INTRODUCTION
LABORATORY SIMULATION
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Complete the following steps:
Select ruler and place next to tube
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bubble in respirometer 1. Record in
Lab Data
Repeat measurement for tubes 2-5
by selecting ruler and move next to
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Data…
Ch.23
How is Salmonella able to cross from the intestines into the blood?
A. it is so small that it can squeeze between intestinal cells
B. it secretes a toxin that induces its uptake into intestinal epithelial cells
C. it secretes enzymes that create perforations in the intestine
D. it can get into the blood only if the bacteria are deposited directly there, that is, through a puncture
—
Which virus is associated with liver cancer?
A. hepatitis A
B. hepatitis B
C. hepatitis C
D. both hepatitis B and C
—
explain your answer thoroughly
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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- Ch.21 What causes patients infected with the yellow fever virus to turn yellow (jaundice)? A. low blood pressure and anemia B. excess leukocytes C. alteration of skin pigments D. liver damage in final stage of disease — What is the advantage for malarial parasites to grow and replicate in red blood cells? A. able to spread quickly B. able to avoid immune detection C. low oxygen environment for growth D. cooler area of the body for growth — Which microbe does not live part of its lifecycle outside humans? A. Toxoplasma gondii B. Cytomegalovirus C. Francisella tularensis D. Plasmodium falciparum — explain your answer thoroughlyarrow_forwardCh.22 Streptococcus pneumoniae has a capsule to protect it from killing by alveolar macrophages, which kill bacteria by… A. cytokines B. antibodies C. complement D. phagocytosis — What fact about the influenza virus allows the dramatic antigenic shift that generates novel strains? A. very large size B. enveloped C. segmented genome D. over 100 genes — explain your answer thoroughlyarrow_forwardWhat is this?arrow_forward
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