Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 17, Problem 3TQ
Summary Introduction
To review:
The following:
1. The evolution experiment in the laboratory to evolve a bacterium that can degrade dioxin.
2. The selection of the starting organism and the experimental steps to be performed.
Introduction:
Dioxins are regarded as environmental pollutants. They belong to a group of dangerous chemicals known as persistent organic pollutants (POPs). They are of major concern because of their highly toxic potential. Experimental evolution of bacterium can be performed for the degradation of dioxin that can help in the prediction of test on the appearance of new traits.
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According to Lynn Margulis's theory of endosymbiosis, bacteria entered large cells either as parasites or as undigested prey as
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Chapter 17 Solutions
Microbiology: An Evolving Science (Fourth Edition)
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- A group of friends went on a hiking trip to Wadi Shab, and while swimming in the Wadi they were amazed by the variety of organisms that they saw in the Wadi and the nearby area. Adnan collected a sample of water from the Wadi, soil, and some colorful rocks because he was interested to see which organisms can be found in each sample. 1. Adnan took the collected samples to a Biology Lab and he passed them to you (since you are studying BIOL2101 course) to help him observe the organisms/microorganisms that might be present in the sample. a) What would you use in order to investigate and identify the different kinds of organisms that are present in his samples? b) What would you try to do in order to "separate" the different kinds of organisms from each other (protists fungi, bacteria, etc)?arrow_forwardExplain why the answer is correct. For eukaryote cells to evolve into new types of eukaryotic organisms, which of the following would one expect to occur? The correct answer is E a) these cells have evolved because they have different DNA because of mutations b) Their endoplasmic reticulum is synthesizing new and/or different proteins. c) These specialized cells activate new genes to synthesize new proteins. d) these organisms have new characteristics because they have acquired new genes. e) all of these are truearrow_forwardWhat is an original research? Do you think the following are ideas that may be considered as original? Support your answer with logical reasons in each case : a. Investigation of size of bacterial cells b. Evaluation of impact of CO2 on the environment c. Diversity of microorganisms in the fields of Kohat University d. Investigation of new compounds in a bacterial culture e. Application of a strain of bacteria you isolated from the soil as PGPRarrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License