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Question 1: You are a consultant who has been hired by a city to help reduce organic matter in their system while improving the dissolved oxygen concentration and deriving an optimal sludge to ultimately bag and sell as an agricultural soil conditioner. Explain the chemistry necessary to properly digest the waste during the aerobic digestion process in order to maximize effluent oxygen concentrations in the water while deriving higher concentrations of nitrate, nitrite, sulfate, and phosphorus in the final sludge product. Your response should be at least 200 words in length.
Question 2: Describe the design considerations inherent in a completely engineered biological oxidation unit. Be sure and describe every aspect of the unit relevant to the design considerations.
Question 3: You are a consultant who has been hired by a city to help reduce organic matter in their system while improving the dissolved oxygen concentration and deriving an optimal sludge to ultimately bag and sell as an agricultural soil conditioner. What equation(s) would you use to calculate the number of days the sludge must remain in the anaerobic digester in order to maximize volatile organic digestion and still produce a favorable sludge high in nitrogen and phosphorus? Be sure and explain the chemistry behind your equation selections.
Question 4: Describe the Cyclic Activated-Sludge System, discuss its mode of operation and the potential benefits as an equipment option for an activated sludge unit to be designed into a batch wastewater pretreatment system. Your response should be at least 200 words in length.
Genes a, b, and c are known to be in that linear order in an organism. A testcross is done that yields 20 double crossover progeny out of a total of 1000 offspring. Assume that there is no interference.
Determine what sequence of nucleotide pairs in a Drosophila gene will encode the amino acid sequence met-trp-phe-trp-met.
BLD 850 - What immunoglobulins are you going to look for and why and Do you think the ability of the mucus to block infectivity is adaptive or innate? Explain your reasoning.
A F1 AB/ab (coupling) was test-crossed. A progeny of 1000 individuals had the following phenotypes: 370 AB, 370 ab, 130 Ab, 130 aB. What is the distance in map units between genes A and B.
Which solute(s) were able to pass through 20 MWCO membrane? In accordance with your results, which solute had the highest molecular weight?
Modify population equation Nt = Noe^rt such that Nt includes both males and females. Be sure to list any assumptions needed by your modification and explain why this new model works.
When gold beads were injected into a cell to see whether or not they could get into the nucleus itwas discovered that beads bigger than 9 nm in diameter (orbigger than the size of a proteinwith a molecular weight of ~40,000) could not get intothe ..
Why is the human Y chromosome a marker for only the paternal, not the maternal, human genetic lineage? Please provide a detailed, complete explanation. Also if your answer utilizes reference materials please site the source.
What do you think companies can do now to prepare their managers for these new markets? What can entrepreneurs and small businesses with limited resources do?
What means the division of the haploid nucleus to give rise to four haploid nuclei?
Write a paragraph or two outlining your experience with the problem sets. For example do you now understand the concept behind DNA fingerprinting? Did you find it difficult to determine the father in the paternity suit or the rapist?
Clarify the effects of the ecb infestation you used. Were all corn varieties evenly effective at controlling the ecb? How do you know.
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