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26. Standard Reduction Potentials The standard reduc- tion potential, E", of any redox pair is defined...
ve the overall reaction ATP + glucose→glucose-6-phosphate + ADP + H. lf the &G" of ATP...
ve the overall reaction ATP + glucose→glucose-6-phosphate + ADP + H. lf the &G" of ATP hydrolysis is /mol, what is AG for the coupled reaction? A. 46 kJ/mo B-18.4 kJ/mol C. -32.2 kJ/mol D. 18.4kJ/mol 26. Which of the following is true about oxidation-reduction reactions? A. B. C. D. During oxidation a compound gains electrons. Every oxidation must be accompanied by a reduction Dehydrogenases typically remove two electrons and two hydrides (H). There are four commonly accessed oxidation states...
Redox pair Standard reduction potential NAD+/ NADH and NADP+/NADPH -0.32 V SO42-/S0 -0.22 V NO3-/NO2- +0.42...
Redox pair Standard reduction potential NAD+/ NADH and NADP+/NADPH -0.32 V SO42-/S0 -0.22 V NO3-/NO2- +0.42 V Fe3+/Fe2+ +0.77 V ½O2/H2O +0.80 V What is the expected energy yield (ΔE) for the transport of electrons from nitrite to iron in iron reducing bacteria? A. -0.32 V B. -0.35 V C. +0.35 V D. +0.77 V E. +1.19 V
Answer is NOT: -0.12 Part F What is the AE, for the reduction of lactate to...
Answer is NOT: -0.12
Part F What is the AE, for the reduction of lactate to pyruvate by NAD+ under standard conditions? Express your answer using two decimal places. Templates Symbols undo regio desde keyboard shortcuts help AEG' = V Submit Request Answer Use the table below as the basis for the calculations needed to answer the following questions. Standard Reduction Potentials for Redox Pairs of Biological Relevance Standard Redox Pair Number Reduction (oxidized form of reduced form) Potential, electrons...
Q7) Using Table 9.1 (page 294) in your textbook and/or in the slides of chapter 9...
Q7) Using Table 9.1 (page 294) in your textbook and/or in the slides of chapter 9 (online material), determine the standard free energy (AG) for the following reaction in kJ/mol. [Faraday constant = 96.5 kJ/V] [10 points) FADH2 + 1/202 - FAD + 2H+ + H:0 Show detailed calculation. Final answer without clear work will not be considered. TABLE 9.1 Standard Reduction Potentials Redox Half-Reaction 2H+ + 2e" - H a-Ketoglutarate + CO, + 2H+ 2e isocitrate NADP+ + H+...
In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH....
In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH. 1) Consider that reaction, in the direction written. Which chemicals) is(are) losing electrons, and which chemical(s) is(are) gaining electrons? It's best to answer this in a clear complete sentence. 2 2 2 Table 10-2 Standard Reduction Potentials for Redox Pairs of Biological Relevance* Redox Pair Number of (oxidized form → reduced form) Electrons E.(V) acetate pyruvate 2 -0.70 succinate → a-ketoglutarate 2 -0.67 acetate...
1. Consider the following standard reduction potentials, Pb 2 +(aq) + 2 e- → Pb(s) E°...
1. Consider the following standard reduction potentials, Pb 2 +(aq) + 2 e- → Pb(s) E° = -0.13 V I2(s) + 2 e- → 2 I-(aq) E° = +0.54 V Under standard conditions, Consider the following standard reduction potentials, Pb 2 +(aq) + 2 e- → Pb(s) E° = -0.13 V I2(s) + 2 e- → 2 I-(aq) E° = +0.54 V Under standard conditions, I2(s) is a stronger oxidizing agent than Pb 2+(aq) and Pb(s) is a stronger reducing...
Use the table below as the basis for the calculations needed to answer the following questions....
Use the table below as the basis for the calculations needed to answer the following questions. Standard Reduction Potentials for Redox Pairs of Biological Relevance Standard Redox Pair Number Reduction (oxidized form of reduced form) Potential, electrons Volts Acetate - pyruvate 2 -0.70 Succinate --- 2 -0.67 ketoglutarate Acetate 2 -0.60 acetaldehyde 3-phosphoglycerate glyceraldehyde-3 2 -0.55 IP arketoglutarate → 2 -0.38 isocitrate NAD+ -NADH 2 -0.32 FMN--FMNH2 2 -0.30 1,3- bisphosphoglycerate 2 -0.29 glyceraldehyde-3- IP Acetaldehyde → -0.20 ethanol Pyruvate-lactate...
Redox : If members of the redox couples above were used to set up the most energetically favorable chemical reaction, the initial electron donor should be ___and the final electron acceptor should be...
Redox : If members of the redox couples above were used to set
up the most energetically favorable chemical
reaction, the initial electron donor should be
___and the final electron acceptor should 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...
Use the table below as the basis for the calculations needed to answer the following questions,...
Use the table below as the basis for the calculations needed to answer the following questions, Standard Reduction Potentials for Redox Pairs of Biological Relevance Redox Pair (oxidized form Number of Standard Reduction reduced form) electrons Potential, Volts Acetate → pyruvate 2 -0.70 Succinate-ketoglutarate 2 -0.67 Acetate acetaldehyde 2 -0.60 3-phosphoglycerate → 2 -0.55 glyceraldehyde-3-P a-ketoglutarate isocitrate 2 -0.38 2 -0.32 2 -0.30 N -0.29 NAD+ NADH FMNFMNH2 1,3-bisphosphoglycerate → glyceraldehyde-3-P Acetaldehyde ethanol Pyruvate lactate FAD FADH2 Oxaloacetatemalate 2 -0.20...
4. Consider the following standard reduction potentials, Al3 (aq)+3 e Al(s) 12(s)2 e2 1(aq) E =...
4. Consider the following standard reduction potentials, Al3 (aq)+3 e Al(s) 12(s)2 e2 1(aq) E = -1.66 V +0.54 V iT E Under standard conditions: A. Al3(aq) is a stronger oxidizing agent than 12(s), and I(aq) is a stronger reducing agent than Al(s). B. 12(s) is a stronger oxidizing agent than Al3*(aq), and Al(s) is a stronger reducing agent than I'(aq). C. Al(s) is a stronger oxidizing agent than I-(aq), and Al3 (aq) is a stronger reducing agent than l2(s)....
ve the overall reaction ATP + glucose→glucose-6-phosphate + ADP + H. lf the &G" of ATP hydrolysis is /mol, what is AG for the coupled reaction? A. 46 kJ/mo B-18.4 kJ/mol C. -32.2 kJ/mol D. 18.4kJ/mol 26. Which of the following is true about oxidation-reduction reactions? A. B. C. D. During oxidation a compound gains electrons. Every oxidation must be accompanied by a reduction Dehydrogenases typically remove two electrons and two hydrides (H). There are four commonly accessed oxidation states...
Answer is NOT: -0.12
Part F What is the AE, for the reduction of lactate to pyruvate by NAD+ under standard conditions? Express your answer using two decimal places. Templates Symbols undo regio desde keyboard shortcuts help AEG' = V Submit Request Answer Use the table below as the basis for the calculations needed to answer the following questions. Standard Reduction Potentials for Redox Pairs of Biological Relevance Standard Redox Pair Number Reduction (oxidized form of reduced form) Potential, electrons...
Q7) Using Table 9.1 (page 294) in your textbook and/or in the slides of chapter 9 (online material), determine the standard free energy (AG) for the following reaction in kJ/mol. [Faraday constant = 96.5 kJ/V] [10 points) FADH2 + 1/202 - FAD + 2H+ + H:0 Show detailed calculation. Final answer without clear work will not be considered. TABLE 9.1 Standard Reduction Potentials Redox Half-Reaction 2H+ + 2e" - H a-Ketoglutarate + CO, + 2H+ 2e isocitrate NADP+ + H+...
In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH. 1) Consider that reaction, in the direction written. Which chemicals) is(are) losing electrons, and which chemical(s) is(are) gaining electrons? It's best to answer this in a clear complete sentence. 2 2 2 Table 10-2 Standard Reduction Potentials for Redox Pairs of Biological Relevance* Redox Pair Number of (oxidized form → reduced form) Electrons E.(V) acetate pyruvate 2 -0.70 succinate → a-ketoglutarate 2 -0.67 acetate...
Use the table below as the basis for the calculations needed to answer the following questions. Standard Reduction Potentials for Redox Pairs of Biological Relevance Standard Redox Pair Number Reduction (oxidized form of reduced form) Potential, electrons Volts Acetate - pyruvate 2 -0.70 Succinate --- 2 -0.67 ketoglutarate Acetate 2 -0.60 acetaldehyde 3-phosphoglycerate glyceraldehyde-3 2 -0.55 IP arketoglutarate → 2 -0.38 isocitrate NAD+ -NADH 2 -0.32 FMN--FMNH2 2 -0.30 1,3- bisphosphoglycerate 2 -0.29 glyceraldehyde-3- IP Acetaldehyde → -0.20 ethanol Pyruvate-lactate...
Redox : If members of the redox couples above were used to set
up the most energetically favorable chemical
reaction, the initial electron donor should be
___and the final electron acceptor should 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...
Use the table below as the basis for the calculations needed to answer the following questions, Standard Reduction Potentials for Redox Pairs of Biological Relevance Redox Pair (oxidized form Number of Standard Reduction reduced form) electrons Potential, Volts Acetate → pyruvate 2 -0.70 Succinate-ketoglutarate 2 -0.67 Acetate acetaldehyde 2 -0.60 3-phosphoglycerate → 2 -0.55 glyceraldehyde-3-P a-ketoglutarate isocitrate 2 -0.38 2 -0.32 2 -0.30 N -0.29 NAD+ NADH FMNFMNH2 1,3-bisphosphoglycerate → glyceraldehyde-3-P Acetaldehyde ethanol Pyruvate lactate FAD FADH2 Oxaloacetatemalate 2 -0.20...
4. Consider the following standard reduction potentials, Al3 (aq)+3 e Al(s) 12(s)2 e2 1(aq) E = -1.66 V +0.54 V iT E Under standard conditions: A. Al3(aq) is a stronger oxidizing agent than 12(s), and I(aq) is a stronger reducing agent than Al(s). B. 12(s) is a stronger oxidizing agent than Al3*(aq), and Al(s) is a stronger reducing agent than I'(aq). C. Al(s) is a stronger oxidizing agent than I-(aq), and Al3 (aq) is a stronger reducing agent than l2(s)....
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