What is G+C content of a bacteria? How it can be determined? Why it is not safe to assume that microorganisms with same G+C content belong to same species? How G+C content data is taxonomically valuable?
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What is G+C content of a bacteria? How it can be determined? Why it is not safe to assume that microorganisms with same G+C content belong to same species? How G+C content data is taxonomically valuable?
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- Why is it not safe to assume that two microorganisms with the same G + C content belong to the same species? In what ways are G + C content data taxonomically valuable?Why is E. coli O157:H7 an organism of concern in contaminated foods? The strain is represented as O157:H7. Which particular “parts” of the bacterial cell do the “O” and “H” refer to?What is the definition of the term bioremediation? Which elements can a bacterium obtain from petroleum? Why are petroleum products naturally resistant to metabolism by most bacteria?
- Lead is a very toxic metal that is not easily degraded in the environment. Lead pipes, paint containing lead, car batteries, and even lead fishing sinkers are all potential sources for the release of lead into the environment. what possible strategy can be done for identifying bacteria that may play a role in degrading lead?In a series of infection experiments, a researcher discovers that the ID50 value for the infectious bacterium Parasiticum mucoides is 2,000, and that the ID50 for another infectious bacterium, Donoteatum thisbacterium, is 150. Given these data, a person exposed to 1,000 bacteria of each type would be more likely to be infected by which bacterium? There is no way to know given the information provided Both infections are equally likely Donoteatum thisbacterium Parasiticum mucoidesThere are five major clades of bacteria. List three of them and provide their general characteristics and at least one example for each group.
- Can the presence and absence of capsules in bacteria be used to identify unknown bacteria? YES OR NO? WHY?Why do you think most bacteria grown in labs are mesophiles with a pH optimum for growth near 7.0, do you believe that it is representative of bacteria on earth? What problems would this cause.https://courses.lumenlearning.com/microbiology/chapter/controlling-microbial-growth/ Read this Article about Controlling Microbial Growth and answer the following questions: Which is most effective at removing microbes from a product: sanitization, degerming, or sterilization? Explain. What are two possible reasons for choosing a bacteriostatic treatment over a bactericidal one? Name at least two factors that can compromise the effectiveness of a disinfecting agent.
- What are bacteria? what is bacterial culture? how to grow bacteria and why? why are there so many bacteria on the keyboard?1.). a.) What particular pathways or enzymes appear distinct for sulfate reducing bacteria in order to harness energy (create ATP)? b.) What interesting structures or unique characteristics allowed sulfate reducing bacteria to solve physical and/or chemical challenges/problems in conserving energy?What characteristics of a water molecule make it polar? Give two examples of why this property is important in microbiology.