Calculate delta G of glucose transport into the cell if the concentration of clugoce is 1mM inside the cell and 100uM outside. R=2cal/mol*K and T=300K
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Calculate delta G of glucose transport into the cell if the concentration of clugoce is 1mM inside the cell and 100uM outside. R=2cal/mol*K and T=300K
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- Please calculate the ΔG of glucose transport into the cell if the concentration of glucose is 1mM inside the cell and 100μM outside. R=2cal/mol*K and T = 300K. A. 1.38kcal/mol B. -1.38kcal/mol C. 2.76kcal/mol D. -2.76kcal/molCalculate what the intracellular glucose concentration should be if to transport glucose in active form from the external medium (c1 = 5 mM) at 37 ºC, a energy input of + 2970 J / mol.If, in addition to the constraints on glucose concentration listed previously, we have in the liver cell ATP concentration = 5 mM and ADP concentration = 5 mM , what is the theoretical concentration of glucose-6-phosphate at equilibrium at pH=7.4 and 37 ∘C ? Express your answer to three significant figures and include the appropriate units. Please type answer note write by hend.
- Calculate the free energy change for glucose entry into cells when the extracellular concentration is 4.5 mM and the intracellular concentration is 2.1 mM at 37oC. Express your answer in kJ/mol.Kt of glucose for GLUT1=3 mM, GLUT2=17 mM, GLUT 3=1.3 mM, and GLUT11=0.3 mM. Sketch a graph with [glucose] on the x-axis and rate of transport on the y-axis. Sketch a line for each GLUT transporter above. Which of these GLUT transporters will be working at its maximum rate at [glucose]=5 mM? Which of these GLUT transporters will be working closest to ½ Vmaxwhen [glucose]=5 mM? What will be the approximate rate of glucose transport for each of these transporters if [glucose]=17 mM?Calculate the free energy change for glucose entry into cells when the extracellular concentration is 4.5 mM and the intracellular concentration is 2.1 mM at 37oC. Express your answer in kJ/mol. ___KJ/mol
- Calculate the actual, physiological ΔG for the reaction at 37 °C, as it occurs in the cytosol of neurons, with phosphocreatine at 4.7 mM, creatine at 1.0 mM, ADP at 0.73 mM, and ATP at 2.6 mM.Compare the allosteric regulation of phosphorylase in the liver and in muscle, and explain the significance of the difference.In considering active transport by Na + -K + -ATPase at body temperature (37 o C), 3 Na+ are pumped out of the cell and 2 K + are pumped in for each ATP that is hydrolyzed to ADP + P i . Given that underyour experimental conditions, the DG for ATP hydrolysis is -10 kcal/mol, and that V is -60 mV, and that the pump maintains the internal Na + at 10mM, external Na + at 120 mM, internal K + at 120 mM and external K + at 8mM, what is the efficiency of the pump (i.e., what fraction of the energy available from ATP hydrolysis is required to drive transport at the provided levels)?
- Intramitochondrial ATP concentrations are about 5 mM, and phosphate concentration is about 10 mM. If ADP is five times more abundant than AMP,calculate the molar concentrations of ADP and AMP at an energy charge of 0.85. Calculate ∆G for ATP hydrolysis at 37 °C under these conditions.The energy charge is the concentration of ATP plus half the concentration of ADP divided by the total adenine nucleotide concentration.Calculate the amount of ATP that be needed to be converted to ASP to pump 1mol of protons across a membrane from a solution of pH8 to pH6. (pH values are unchanged during the process). Where T=298KConsider the following equilibrium at 25ºC :Glucose-1-Phosphate Glucose-6-PhophateUsing the equilibrium concentrations of [Glucose-1-Phosphate] = 0.35 M and [Glucose-6-Phosphate] = 1.65 M, calculate BOTH K′eqand Gº′ for this reaction. Is this reaction exergonicor endergonic? R = 8.314 J/K·mol