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Describe the relationship between ammonia oxidizers and nitrite oxidizers.
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- Which traits are shared among ammonia oxidizers and nitriteoxidizers?Identify the function of the following enzymes: Superoxide dismutase (SOD)Trace the fate of the N atom during dissimilatory nitrate reduction, nitrification, denitrification, and the anammox reaction, and indicate whether each must occur in an oxic or anoxic environment
- Why would sulfur-oxidizing bacteria store sulfur? +Identify the oxidizing agent in the following REDOX reaction? CI2 + NaBr --> NaCI + Br2 A) NaCI B) NaBr C) CI2 D) Br2Define obligate aerobe, facultative anaerobe and obligate anaerobe. Describe the enzymes and their functions for oxygen detoxification?
- Write the complete redox reactions for the following microbial metabolisms. Give an example of a type of environment where such bacteria may thrive (will there be plentiful O2? Organics-rich sediment? mineral-bearing rock formations etc?) Oxidation of glucose (C6H12O6) by sulfate (H2SO4) reducers (redox products are CO2 and H2S). Oxidation of ferrous hydroxide (Fe(OH)2) by iron-oxidizing bacteria in oxygen (O2)-rich environment. Redox products are Fe(OH)3 and H2 Please write all redox reactions correctly and explain! Thanks!Describe the characteristics of alcohol fermentation and lactic acid fermentation.Classify the electron holders used by microorganisms according to the rate of biodegradation. What advantages and disadvantages does this provide in terms of biodegradation?
- explain why there is little to no growth of these organisms in the minimal salt media with glucose compared to the complex media. (HINT: these organisms are chemoheterotrophs and need an organic source of broth carbon and energy)...How would you isolate thermophilic chemolithotroph thatuses sulfur compounds as a source of energy and electron?What changes in the incubation system will be required toisolate a bacteria using sulphur in an anaerobic system?Do facultative anaerobes require a functional oxidase, why or why not?