1. Nitrogen-fixing bacteria reduce ammonia to nitrogen gas. true or false
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1. Nitrogen-fixing bacteria reduce ammonia to nitrogen gas.
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- Nitrogen-fixing bacteria reduce ammonia (ammonium ion) to nitrogen gas. Group of answer choices True FalseDissimilatory nitrate reduction carried out by bacteria can lead to loss of nitrogen as N, from the environment. A) O True B) O FalseNitrogen fixation and nitrate assimilation are the only ways biological systems can incorporate nitrogen into organic molecules. O True O False
- Fill in the blanks. In the Nitrogen cycle, into are responsible for converting denitrifying bacteria/ammonium and ammonia/atmospheric nitrogen O nitrifying bacteria/ammonium and ammonia/nitrites and nitrates nitrogen-fixing bacteria/ammonium and ammonia/atmospheric nitrogen Onitrogen-fixing bacteria/ammonium and ammonia/nitrites and nitratesYou have two organisms A and B. One is an obligate aerobe and the other is an obligate anaerobe. You have 2 Nutrient Agar Plate Media that these organisms can grow on. How can you differentiare which organism is aerobic and which is anaerobic.E 1 а. If wastewater which is high in DOM, nitrates and phosphates is released into rivers, what is the likely consequence to animal life in the river downstream of the source of pollution? b. How are microbes involved in this process? c. How can microbes be involved in the recovery of animal life in the river further downstream?
- Figure 22.19 Which of the following statements about the nitrogen cycle is false? Nitrogen fixing bacteria exist on the root nodules of legumes and in the soil. Denitrifying bacteria convert nitrates (NO3 ) into nitrogen gas (N2). Ammonification is the process by which ammonium ion (NH4+) is released from decomposing organic compounds. Nitrification is the process by which nitrites (NO2-) are converted to ammonium ion (NH4+).1. are organic proteins which can speed up the biochemical reaction that occurs mainly outside or on the microbial cell surface. 2. Clean surface waters are normally saturated with . , which can be removed rabidly in the aerobic oxidation. 3. . and .. are the most importance two measures in water quality required to stabilize the wastewater. 4. The . process are responsible to limits the polluting discharge effect and the recovery time in rivers.Yeast and lactic acid bacteria are undoubtedly the most used microorganisms in the food industry 1. State an instance where the two have collaborated in a product development 2. State an instance where yeast is desired whereas lactic acid bacteria is a nuisance 3. State an instance where lactic acid bacteria is desired whereas yeast is a nuisance