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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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.
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
How does one plot the lineweaver burk plot using this data.
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
Determine whether the following reactions will be spontaneous under standard biochemical conditions. Include calculations for Delta G in your answer. Use Table 13-7 in your textbook to help you.a) 2NADH + 2H+ + O2 --> 2NAD+ + 2H2Ob) Malate + FAD --> Oxaloacetate + FADH2c) Pyruvate + H2S --> Lactate + S
Refer to Table to explain why FAD rather than NAD+ is used in the succinate dehydrogenase reaction.
For the following enzymes (3-6) predict how the conditions will most likely affect the enzymes activity with one of the following and provide a 1 sentence explanation: a. increase activity b. decrease activity c. not likely to alter activity 3) alpha-ketoglutarate dehydrogenase complex binding to AMP when [AMP] is high. 4) phosphohexose isomerase binding NADH when [NADH] is high 5) phosphofructose-1 binding NAD+ when [NAD+] is high 6) pyruvate dehydrogenase complex binding to ATP when [ATP] is high
The oxidation of Gly-3-P to 1,3-bisphosphoglycerate proceeds with an unfavorable AG which equals 6.3 KJ/mol, yet the flow through this point in the glycolytic pathway proceeds smoothly. Why???

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