16: In the Nitrogen cycle, the place where you would expect to find an abundance of ammonium oxidation is: a) areas with abundant nitrate b) areas that are anoxic c) water that has a significant proportion of N2 d) aerobic sediment and water
Answer -- D---- Aerobic sediment and water
Ammonia is formed as an end product due to the degradation of organic matter( ammonification) and is further oxidized to nitrate again by nitrifying bacteria present in soil( nitrification) . This process is occured in oxic environment. The oxidation of Ammonium ions to nitrite and subsequent oxidation of nitrite to nitrate is called nitrification.
NH3 + O2 + 2e- -------> NH2OH + H2O
NH2OH+ H2O ---------> NO2- + 5H+ + 4e-
16: In the Nitrogen cycle, the place where you would expect to find an abundance of...
Write the balanced chemical reaction for the following nitrogen cycle reactions. These reactions are mediated by bacteria and plants in nature and in wastewater treatment. (a) nitrification of ammonium to nitrite using molecular oxygen. (b) nitrification of nitrite to nitrate using molecular oxygen. (c) denitrification of nitrate to N2 using succinic acid as the carbon & energy source. (d) If a wastewater effluent has an ammonium concentration of 12 mg/L as N, what is the nitrogenous oxygen demand (how much...
16. Would you expect 2-octanone to be soluble in water? Would you expect butanal to be soluble in water? Would either of them be more soluble in hexane than in water? Explain. 25. Criticize the following techniques: isten (a) Heating a mixture that contains n-hexane using an open flame. (b) For a reaction, heating a mixture that contains a large amount of toluene using hot water bath. (c) Running s reaction with tert-butyl alcohol that is cooled to 0°C in...
Which substance do you expect to be most soluble in water? (please explain the choices, would help) A. Nitrogen, N2. B. Ammonia, NH3. C. Methane, CH4. D. Hydrogen, H2.
Under what conditions would you expect mycorrhizal symbiosis to have the most NEGATIVE (least beneficial) fitness consequences for bean plants? A. When they are planted in tropical soils with very low nutrient availability B. When they are planted in Nebraska soils that have abundant soil pathogens C. When they are planted in Nebraska soils to which urea fertilizer has been added D. When they are planted in Nebraska soils to which NPK fertilizer and pesticides have been added E. When...
Where in the body would you expect to find the enzyme aromatase. A. In neurons that are converting estrogen into testosterone. B. In ovaries that are producing high amounts of estrogen. C. In the cerebellum controlling sexually dimorphic movement patterns. D. In the olfactory cells specialized to control libido.
1. In terms of microbial diversity, what would you expect to find when examining a sample of ice water obtained from the North Pole? A) High species richness and high species abundance B) High species richness and low species abundance c) Low species richness and low species abundance D) Low species richness and high species abundance 2. Which of the following factors does NOT influence the types of microbial activities in an ecosystem? A) The noise levels in an ecosystem...
If you knocked out (deleted) the SH2 domain of IRS-1, where would you expect to find most of the cellular ERK? A. In the cytoplasm B. evenly distributed between cytoplasm and nucleus C. In the extracellular space D. In the nucleus E. Embedded in the plasma membrane
Where and when would you expect to find dividing cells in the body of a multicellular organism?
How would you expect the operation of the citric acid cycle to respond to a rapid increase in the [NADH]/[NAD) ratio in the mitochondrial matrix? a. The CAC rate would not change b. The CAC would speed up C. The CAC would slow down/stop d. There is not enough information provided.
Describe the structure of microtubules. Where would you expect to find the minus and plus ends.