The standard reduction potential for (NAD+/NADH) is -0.320 V and the standard reduction potential for (pyruvate/lactate) is -0.185V. Which of the following statements are TRUE?i Multiple answers: Multiple answers are accepted for this questionSelect one or more answers and submit. For keyboard navigation... SHOW MORE ✓abсdefThe standard free energy change (AGO) for the Lactic acid dehydrogenase reaction is -26 kJ/mol.The Keq for the reaction is 36800.If [pyruvate] = 0.05 mM and [Lactate] =2.9 mM and AG for the Lactate dehydrogenase = -15 kJ/mole in erythrocytes the[NAD+]/[NADH] ratio under these conditions is 1.48.The standard reduction potential indicates the electrons will flow from Lactate to NAD+.AEO' for the reaction = -0.135 VThe standard reduction potential indicates the electrons will flow from NADH to Pyruvate.

a. The standard free energy change (ΔG°) for the Lactic acid dehydrogenase reaction is -26 kJ/mol.d…

Answered: The standard reduction potential for…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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As a result of the process(es) of thiol transfer, carbon atoms from serine can end up in what biological molecule(s)?
During Krebs cycle, the conversion of isocitrate to alpha-keto glutarate involves all of the following reactions/mechanisms except Reduction of isocitrate Reduction of NAD+ Decarboxylation of isocitrate Oxidation of isocitrate
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Given the following information on reduction potentials, calculate the standard free energy in kJ/mol based on your understanding of electron transfer through the pyruvate dehydrogenase complex. Round to nearest whole number. Lipoamide + 2H+ + 2e- → dihydrolipoamide ∆εο = -0.29 FAD + 2H+ + 2e- → FADH2 ∆εο = −0.01
7) The following questions apply to glycolysis (figure 3-41 on page 79 of the 12th edition), the Krebs cycle (figure 3-44 on page 82) and to oxidative phosphorylation (figure 3-45 on page 84). Calculate the total amount of ATP produced from one glucose molecule if: a. The oxidation of NADH + H* to NAD* + 2H* produced 4 ATP. b. The oxidation of FADH₂ to FAD + 2H* produced 1 ATP. c. Each step of the Krebs cycle that produces NADH+H* produced FADH2 instead. d. Each step of the Krebs cycle that produces FADH2 produced NADH + H+ instead. e. Sucrose is substituted for glucose.
Under standard conditions, will the following reactions proceed spontaneously as written? (1) Fumarate + NADH + H+ (2) succinate + NAD+ Cyto a (Fe²+) + cyto b (Fe³+) = cyto a (Fe³+) + cyto 6 (Fe²+) b
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Consider the last few minutes of a tough race, when the runner's energy reserves are depleted. Explain the advantage of converting pyruvate to lactate in muscle cells during intense anaerobic effort (i.e. in the absence of oxygen).
Glycolysis arrow pushing mechanism (please answer by providing a drawing showing electron transfers and not just the step names)
PLEASE ONLY ANSWER PART D OF THIS QUESTION.
Aconitase catalyzes the conversion of Citrate to Isocitrate in the TCA cycle. The standard free energy change (AG°) for this reaction is +6.7 kJ/mol. The observed free energy change (AG) for the reaction in pig heart mitochondria is +0.8 kJ/mol. The ratio of [isocitrate]/[citrate] in these mitochondria is: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 10 b. 1 100 0.01 e f 0.33 0.10 h 0.25 i 2

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