Is ammonification a redox process in the Nitrogen Cycle? If so, what is the electron donor...
Is ammonification a redox process in the Nitrogen Cycle? If so, what is the electron donor and electron acceptor?
Homework Answers
Ammonification is the process by
which bacteria convert organic nitrogen to ammonium. Ammonuim can
then be oxidized to nitrate by nitrification. But not only nitrogen
ammonification also refers ro the conversion of NH2
containing groups into ammonia or ammonium ions. Urea, uric acid
and organic nitrogen of faeces of animals, all are substrate for
ammonification. 
Water is the reducing agent as it donates the lone pair of electrons to the NH2 containing compound and is getting oxidized while the compound is the electron acceptor, thus getting reduced to acid and carbon dioxide.
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Is ammonification a redox process in the Nitrogen Cycle? If so,
what is the electron donor...
1. Define electron donor and electron acceptor 2. What is the oxidation state of nitrogen in:...
1. Define electron donor and electron acceptor 2. What is the oxidation state of nitrogen in: NH3, NH4+, N2, NO2-, NO3- ? 3. Is the transformation of NO3- to NO2- an oxidation or a reduction? 4. Is the transformation of nitrate to nitrogen gas an oxidation or a reduction? How many electron equivalents are transferred per mole of nitrate? 5. Is the transformation of NH4+ to NO2- an oxidation or a reduction? How many electron equivalents are transferred per mole...
Problem 5: Write the redox reaction for the following chemicals and label the electron donor, electron...
Problem 5: Write the redox reaction for the following chemicals and label the electron donor, electron acceptor, oxidation reaction, reduction reaction, oxidant and reductant, oxidized compound and reduced compound: (12 points) a. O2/H2O and SO42-/HS- b. NO3-/N2 and CO2/CH4 c. SO42-/HS- and CO2/CH4
(A) For the following reaction identify: i the electron donor ii the electron acceptor iii...
(A) For the following reaction identify: i the electron donor ii the electron acceptor iii all redox pairs iv reducing agents v oxidizing agent Succinate + FAD+ <--> Fumarate + FADH2 (B) Why could less ATP produced from NADH from glycolysis than NADH from the citric acid cycle? (C) What role does succinate dehydrogenase play in oxidative phosphorylation?
Redox: The best initial electron donor for an organism performing fermentation would be ___, while the best final electron acceptor would be ___ . Use the information from the redox couples below to a...
Redox: The best initial electron donor for an
organism performing fermentation would be ___, while the best final
electron acceptor would be ___ .
Use the information from the redox couples below to answer the fill in the blank questions, using the letter after each substance. (i.e. if you believe that the answer is CoQ fill in the appropriate blank with the letter A). Each letter (substance) may be used more than once. Hint: put the redox couples into an...
Compare and contrast electron transport and ATP synthesis in mitochondria and chloroplasts. Start with the electron donor and end with the final electron acceptor. Detail the arrangement in the membra...
Compare and contrast electron transport and ATP synthesis in mitochondria and chloroplasts. Start with the electron donor and end with the final electron acceptor. Detail the arrangement in the membrane and redox chemistry of the electron transporters, orientation and function of ATP synthase, membrane properties, etc., etc. How are these electron transport systems related to metabolic processes occurring in the mitochondria and chloroplasts?
In green plant photosynthesis, water is the initial electron donor, NADP+ - is the final electron...
In green plant photosynthesis, water is the initial electron donor, NADP+ - is the final electron acceptor, and a proton gradient drives the electron flow from the donor to the acceptor. АТР light energy va proton gradient manganese
Redox reactions in living cells involve either complete or partial transfer of pair of electrons from...
Redox reactions in living cells involve either complete or partial transfer of pair of electrons from an electron donor to an electron acceptor. Briefly describe how a pair of electrons can be partially transferred from an electron donor to an electron acceptor. What does it entail? Describe.
The sulfur cycle differs from the nitrogen cycle in that Choose one: A. only sulfate, and...
The sulfur cycle differs from the nitrogen cycle in that Choose one: A. only sulfate, and not nitrate, can be used as an electron acceptor at the end of an electron transport chain. B. only nitrogen, and not sulfur, exists in multiple oxidation states. C. only H2S, and not NH3, is a substrate for photolysis by phototrophs. D. prokaryotes play an important role in nitrogen cycling but not sulfur cycling,
discuss standard reduction potential and its relationship to electron donor, electron acceptor and exergonic reactions?
discuss standard reduction potential and its relationship to electron donor, electron acceptor and exergonic reactions?
place in order drom lowest to highest electron affinity The redox pairs below all participate in...
place in order drom lowest to highest electron affinity
The redox pairs below all participate in the transfer of electrons from FADHS to oxygen. (This is not an exhaustive list. The values of the standard blochemical reduction potentials (E") are provided. Use the reduction potentials to order these pairs from west to highest electron affinity, which translates from initial donor to final acceptor ubiquinone/ubiquinol +0.045 V FAD FADH2 -0.040 V cytochrome 1 (FeFe?) +0.220 V 1/02H₂O 0 816 V Initial...
Redox: The best initial electron donor for an
organism performing fermentation would be ___, while the best final
electron acceptor would be ___ .
Use the information from the redox couples below to answer the fill in the blank questions, using the letter after each substance. (i.e. if you believe that the answer is CoQ fill in the appropriate blank with the letter A). Each letter (substance) may be used more than once. Hint: put the redox couples into an...
In green plant photosynthesis, water is the initial electron donor, NADP+ - is the final electron acceptor, and a proton gradient drives the electron flow from the donor to the acceptor. АТР light energy va proton gradient manganese
The sulfur cycle differs from the nitrogen cycle in that Choose one: A. only sulfate, and not nitrate, can be used as an electron acceptor at the end of an electron transport chain. B. only nitrogen, and not sulfur, exists in multiple oxidation states. C. only H2S, and not NH3, is a substrate for photolysis by phototrophs. D. prokaryotes play an important role in nitrogen cycling but not sulfur cycling,
place in order drom lowest to highest electron affinity
The redox pairs below all participate in the transfer of electrons from FADHS to oxygen. (This is not an exhaustive list. The values of the standard blochemical reduction potentials (E") are provided. Use the reduction potentials to order these pairs from west to highest electron affinity, which translates from initial donor to final acceptor ubiquinone/ubiquinol +0.045 V FAD FADH2 -0.040 V cytochrome 1 (FeFe?) +0.220 V 1/02H₂O 0 816 V Initial...
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