Under what specific conditions would you find a thermophilic anaerobe that is a chemoautotroph? Be very specific. Also, where does it get its energy, wehre does it get itsc carbon, and specifically to which domain is it most likely to belong?
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Under what specific conditions would you find a thermophilic anaerobe that is a chemoautotroph? Be very specific. Also, where does it get its energy, wehre does it get itsc carbon, and specifically to which domain is it most likely to belong?
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- Which of the following is NOT true about chemoheterotrophs? They are ultimately dependent on autotrophs to provide their carbon and energy Oxidize organic compounds (e.g., glucose) to generate ATP None of the other four answers (all are true of chemoheterotrophs) O Can use light for energy and CO₂ as a source of carbon Use organic compounds as a source of both carbon and energyIf two cultures of a facultative anaerobe were grown under identical conditions except that one was exposed to oxygen and the other was completely deprived of oxygen, what differences would you expect to see between the two cultures? (What metabolic pathway would be occurring in each? Why?)Name two enzymes that are present in obligate aerobes but lacking in obligate anaerobes. What is the function of each enzyme?
- What is meant by the term “chemolithotrophy”? In what wayare chemolithotrophs like plants?Which of the following is NOT true about chemoheterotrophs? Which of the following is NOT true about chemoheterotrophs? Use organic compounds as a source of both carbon and energy Can use light for energy and CO2 as a source of carbon Oxidize organic compounds (e.g., glucose) to generate ATP They are ultimately dependent on autotrophs to provide their carbon and energy None of the other four answers (all are true of chemoheterotrophs)Do facultative anaerobes require a functional oxidase, why or why not?
- Imagine you are trying to use an organism to remove organic matter in a wastewater treatment plant (i.e., poop). You would like to maximize the amount of waste consumed while also minimizing the amount of cells produced. Assuming these organisms exist and all other things are equal, what combination of chemoorganotrophic organism and environment would make the most sense to use? An organism that only has the Entner-Duoduroff pathway under anaerobic conditions. This was a trick question – the organism would have to be a chemolithotroph since it is consuming a chemical. An organism that only has the Entner-Duoduroff pathway under aerobic conditions. An organism that only has the Embden Meyer Parnas pathway under anaerobic conditions. An organism that only has the Embden Meyer Parnas pathway under anaerobic conditions.In what environments might the following organisms be found? thermophileOrganisms ATP NADH NADPH FADH2 Ethanol 1 20 100 0 0 50 2 350 400 0 100 1 3 500 410 200 100 1 Three organisms were tested biochemically for their production of energy, and various compounds were measured in each organism. The amounts found are shown in relative units. Based on this data, identify what kind of oganisms each is and why.
- How can organisms such as Syntrophobacter andSyntrophomonas grow when their metabolism is basedon thermodynamically unfavorable reactions? How doescoculture of these syntrophs with certain other bacteriaallow them to grow?Why would ether linkages be more stable in membranes than ester lipids? How would the presence of tetraether linkages stabilize a thermophile’s membrane?Describe your own metabolic classification. Are you a photoautotroph, photoheterotroph, chemoautotroph, or chemoheterotroph? Are you an obligate aerobe, an obligate anaerobe, or a facultative anaerobe? Are you a nitrogen fixer?