Glyceraldehyde-3-phosphate (GAP) is converted to 1,3-bisphosphoglycerate (1,3-BPG)as shown.GAP + P + NAD+ 1,3-BPG + NADHIs this reaction spontaneous? How do you know?AG = 6.7 kJ mol-¹The reaction shown above is coupled to the following reaction in which 1,3-BPG isconverted to 3-phosphoglycerate (3-PG):GAP + P + NAD+ + ADP3-PG + NADH + ATPAG = -18.8 kJ mol-¹1,3-BPG+ADP3-PG+ATPWrite the equation for the overall conversion of GAP to 3PG. Is the coupled reactionfavorable? How do you know?

Gibbs free energy or delta G is obtained by combining the change in the thermodynamic quantities,…

Answered: Glyceraldehyde-3-phosphate (GAP) is…

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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A mutated IDH1 isoenzyme is found in a high percentage of a type of brain cancer called glioblastoma. Instead of converting isocitrate to α-ketoglutarate, mutated IDH1 converts its substrate to 2-hydroxyglutarate, a circumstance that disrupts the citric acid cycle, among other effects. Review the structures of isocitrate and α-ketoglutarate and determine the structure of 2- hydroxyglutarate
The isoelectric point (pI) of 6-phosphogluconate dehydrogenase is 6.0. Explain why the buffer used in DEAE cellulose chromatography must have a pH greater than 6 but less than 9 in order for the enzyme to bind to the DEAE resin.
Acetyl CoA + 2H* + 2e = pyruvate + COASH E = -0.48 V Ubiquinone + 2H* + 2e = Ubiquinol E" = +0.04 V Consider the redox rxn wherein a pair of e passes from pyruvate to ubiquinone. Calculate the change in standard Gibbs free energy (kJ/mol). Report answer to two decimal places.
Propose a full mechanism for the formation of the diene. Show curved arrows to illustrate electron flow, and please show all steps. Include a brief paragraph that describes the steps of the mechanism and discusses the driving force for the steps shown. (attached is the image)
Calculate AG for this reaction under the following conditions: 37°C, pH 7, [Pyruvate] = [CO₂] = 4.0 mM, [OAA] = 2.0 mM, [ATP] = 3.5 mM, [P;] = 5.0 mM, and [ADP] = 1.8 mM. Use 2 signficant figures. AG= i kJ.mol-1 Under these conditions, the reaction is (Tolerance is +/- 2%)
Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed concentrations, calculate the free energy change for this reaction at energy change for this reaction at 37.0 ˚C (310 K). AG' for the reaction is +29.7 kJ/mol. Assume that the reaction occurs at pH 7. [malate] = 1.45 mM AG: [oxaloacetate] = 0.130 mM [NAD+ ] = 110 mM [NADH] = 44 mM 47.06 Incorrect kJ.mol-1
Acetaldehyde + NADH + H+ → Ethanol + NAD+ How is the inhibition constant for this gotten? Determine the inhibition constant(s) of AMP?
How does one plot the lineweaver burk plot using this data.
The conversion of glutamate to alpha-ketoglutarate is an example of oxidative deamination. Give the complete chemical equation of the said pathway. What happens to the second product of this reaction?
During glycolysis, glucose is converted into fructose-6- phosphate in two successive reactions: glucose + ATP glucose 6-phosphate + ADP glucose 6-phosphate fructose 6-phosphate The AG' for the overall reaction is: +15.0 kJ/mol. -18.4 kJ/mol. -16.7 kJ/mol. → -15.0 kJ/mol. +18.4 kJ/mol. AG¹⁰ = -16.7 kJ/mol AG¹⁰ = +1.7 kJ/mol
Refer to the figure shown here, and determine the value of E for the overall oxidation/reduction reaction (refer to the book/lecture slides if you need help with the overall reaction). 121/202 + 2H+ + 2e → H₂0 NAD + H* + 2e → NADH O-1.136 volts O 0.496 volts O+1.136 volts voltsm -0.496 volts EU (volts) +0.816 - 0.320
Which of the reactions are spontaneous (favorable)? C6H130,P + ATP → › C6H14º₁₂P2 + ADP AG = -14.2 kJ/mol L-malate + NAD+ → oxaloacetate + NADH + H+ AG = 29.7 kJ/mol glutamate + NAD+ + H₂O → NH‡ + α-ketoglutarate + NADH + H+ AG = 3.7 kcal/mol → CH2O4 + H2O AG = 3.1 kJ/mol * CąHẠO, — CH,O4 + H,O DHAP C₂H + H₂ glyceraldehyde-3-phosphate AG = 3.8 kJ/mol Rh(I) C2H6 AG-150.97 kJ/mol

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