Calculate the osmotic concentration of a solution consisting of 33.15 g NAD (C21H27N7014P2; mw = 663 g/mol) and 15.72 g FAD(C27H33N9O15P2; mw = 786 g/mol) in 100g of water.
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- Suppose the concentration of glucose inside a cell is 0.1 mM and the cell issuspended in a glucose solution of 0.01 mM.(a) What would be the free energy change, in kJ/mol, for the transport ofglucose from the medium into the cell? Assume T = 37 °C.(b) What would be the free energy change, in kJ/mol, for the transport ofglucose from the medium into the cell if the intracellular and extracellularconcentrations were 1 mM and 10 mM, respectively?(c) If the processes described in parts (a) and (b) were coupled toATP hydrolysis, how many moles of ATP would have to be hydrolysed,per mole of glucose transported, in order to make each process favorable? (Use the standard free energy change for ATP hydrolysis.)A phosphatase, acting on glycerophosphate, is capable of releasing inorganic phosphate with the results that appear in the attached table. Graphically calculate KM and Vmax in the conditions of the experiment. Concentration of glycerophosphate (mM) Realeased phosphate in 10 min (micromol) (µmol)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.
- 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.What is the free energy change for generating the electrical imbalance of protons in respiring mitochondria in culture, where Δψ is 150 mV? (Express your answer in kJ/mol using 3 significant figures.)
- 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=298KWhat is a good estimate of free energy change for formation of an ES complex if the KD for this enzyme/ligand pair is 0.28µM? Give your answer in kJ/molImagine that the concentrations of reactants and products for the coupled reactions above in the cell are at a level that yields a smaller molar ratio of the concentrations than those relevant to the standard state conditions. Would the net free energy of coupled glucose breakdown and ATP synthesis be more or less favorable than the answer for net free energy of coupled glucose breakdown and ATP synthesis in organism in standard conditions. Please explain answer
- If a reaction has a ΔG°′ value of at least −30.5 kJ · mol−1, suffi -cient to drive the synthesis of ATP (ΔG°′ = 30.5 kJ · mol−1), can it still drive the synthesis of ATP in vivo when its ΔG is only −10 kJ · mol−1? Explain.Given what you know about the involvement of nicotinamide nucleotides inoxidative and reductive metabolic reactions, predict whether the followingintracellular concentration ratios should be 1, > 1, or < 1. Explain youranswers.(a) [NAD+] >[NADH](b) [NADP+] >[NADPH](c) Since NAD+ and NADP+ are essentially equivalent in their tendency to attract electrons, discuss how the two concentration ratios might bemaintained inside cells at greatly differing values.What is the change in concentration (umol/mL/min) for NADPH if the change in absolute absorbance per second from your DHFR functional assay analysis was 0.0035?