Hypothesize as to why iron can have an impact on bacterial growth, particularly S. Typhimurium, S.epidermis S.aureus , E. coli and Y. enterocolitica
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Hypothesize as to why iron can have an impact on bacterial growth, particularly S. Typhimurium, S.epidermis S.aureus , E. coli and Y. enterocolitica
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- Give the reason why is an organism such as Staphylococcus adapted to growth on the human skin but the streptococci are generally not shows?Write a short introduction about the significance of the study entitled "extract of anethum graveolens' antibacterial property against staphylococcus aureus to assist wound healing"Explain the Pasteur effect on the aerobic culture of yeast on glucose, where the rate of glucose consumption declined dramatically.
- On what basis were both Shigella and Salmonella eliminated aspossible causes of the outbreak pathogen?a. Gram reaction b. fermentation of glucose c. oxidase results d. motilityExplain the way in which bacteria in the air can destroy penicillin.Write a clinical hypothesis for the unknown bacteria streptococcus mutans in children. State the signs and symptoms and treatment of streptococcus mutans
- Give an example of a bacterium that can be described as an “anaerobic chemoorganoheterotroph ”. Also explain what the different parts of the description meanStrict anaerobes cannot live in the presnece of oxgyen because: a.)they have to mitochondria b.) they cannot absord nutrients from the envioment c.)they cannot make macromolcules d.) they lack detoxifing enzymes e.) they cannot make ATP oragnisms need phosphorous to incoroprate it in their: a.) cell membrane b.) DNA and RNA c.) ATP d.) a and c e.) a, b, and cProvide an example of an organism within each of the four main nutritional categories of microbes and describe how each obtains its essential nutrients. Provide evidence in support of or refuting the following statement: Microbial life can exist in the complete absence of both sunlight or organic nutrients. Polymerase chain reaction (PCR) is a technology that requires high temperatures to reproduce DNA fragments. Explain why the discovery of thermophilic archaea and their associated DNA polymerases was critical to the success of this technique. Summarize how the electron transport chain functions to produce ATP in a bacterial cell versus eukaryotic cell. Explain whether or not the term chemiosmosis accurately illustrates this process.
- Make a comparison and contrast between Pseudomonas and Escherichia coli. Explain.If two cultures of facultative anaerobes were grown under identical condition expect that one was exposed to oxygen and other was completely derived of oxygen.predict what differences would you expect too see between dry weight of the cultures? Justify answeryou grew streak plates of Clostridium sporogenes under both aerobic and anaerobic conditions. Which plates showed bacterial growth, and what does the zone around the metronidazole disc represent? Additionally, explain what types of bacterial growth metronidazole affects and why.
