Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 26, Problem 9TYPSS
PROCESS OF SCIENCE Streptococcus mutans obtains energy by oxidizing sucrose. This bacterium is abundant in the mouths of Western European and North American children and is a prominent cause of cavities. The organism is virtually absent in children from East Africa, where tooth decay is rare. Propose a hypothesis to explain this observation. Outline the design of a study that would test your hypothesis.
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Chapter 26 Solutions
Biological Science (7th Edition)
Ch. 26 - 1. What do some photosynthetic bacteria use as a...Ch. 26 - What are organisms called that use inorganic...Ch. 26 - Prob. 3TYKCh. 26 - 5. What has metagenomic analysis allowed...Ch. 26 - Prob. 6TYUCh. 26 - Prob. 7TYUCh. 26 - Prob. 8TYUCh. 26 - PROCESS OF SCIENCE Streptococcus mutans obtains...Ch. 26 - PROCESS OF SCIENCE Suppose that you’ve been hired...Ch. 26 - Prob. 11PIAT
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- Erythromycin, an antibiotic discovered in 1952 from soil bacterium Saccharopolyspora erythraea, was discovered by a Filipino scientist Abelardo Aguilar. Using schematic diagram, outline the process that led to thisarrow_forwardImagine that you discover a new type of bacteria in an environment that is exposed to oxygen. A. What type of bacteria might you have discovered? B. Propose a mechanism by which they can produce the energy neededarrow_forwardYou are a doctor at a field hospital deep in the Amazon jungle. A local villager comes to you sick with nausea, diarrhea and vomiting and you suspect they may have food poisoning. Several different types of bacteria can cause food poisoning including Campylobacter jejuni, Staphylococcus aureus, and Salmonella tyhphirium. How will using a microscope help you to identify which of the three bacteria are responsible for making your patient sick so that you can administer the correct antibiotic?arrow_forward
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- A veterinarian suspects that a new disease of house cats is caused by a specific type of bacterium. Describe a set of procedures for providing this hypothesis. EXAMPLE GIVEN ON THE IMAGE.arrow_forwardOne organism found in a termite’s gut is Mixotrichia paradoxa. This strange creature looks like a single-celled swimming ciliate under low magnification. However, the electron microscope reveals that it contains spherical bacteria rather than mitochondria and has on its surface, rather than cilia, hundreads and thousands of spirilla and bacilla bacteria. You are the scientists who first observed this organism. How would you describe this organism- single-celled? Aggregate? Colony? Multicellular? Can the structure of this organism give you any insight into the evolution of eukaryotic cells? (Hint: the endosymbiosis hypothesis)arrow_forwardDescribe the lines of proof Robert Koch used to definitivelyassociate the bacterium Mycobacterium tuberculosis with thedisease tuberculosis. How would his proof have been flawedif any of the tools he developed for studying bacterialdiseases had not been available for his study of tuberculosis?arrow_forward
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