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Hexokinase is an enzyme that catalyzes the phosphorylation of sugars. Given the values below, discuss the interaction of the enzyme with both of these substrates and calculate the catalytic efficiency for hexokinase with each substrate if the concentration of hexokinase = 1.5uM.
Glucose KM (mM) = 0.1 Vmax (mM/s) =1
Fructose KM (mM) = 0.7 Vmax (mM/s) = 1.8
Arrange the following atoms in order of decreasing atomic radius. Rank from largest to smallest. To rank items as equivalent, overlap them. Si, O, I, Ge
Draw the mechanism of the addition of HBr to cyclohexene. Identify each step, indicate intermediates.
What volume, in Ml of a 1.20 M HCL solution must be diluted in order to prepare 1.00 L of 0.0150 M HCL
The densities of methanol and water at this temperature are 0.782 and 1.00 , respectively. For this solution, calculate each of the following. a. what is the molarity b. what is the molality c. what is the percent by mass d. what is the mole fract..
what is the minimum distribution coefficient that permits the removal of 99% of a solute from 50 mL of water with a. two 25mL extrations with toluluene
what is the freezing point of a solution made by dissolving 352 g of ethylene glycol c2h6o2 in 648 g of water? the
The reaction and rate law for the gas-phase decomposition of dinitrogen pentaoxide are 2 N2O5(g) ---> 4 NO2(g) + O2(g), rate = k[N2O5]. Which of the following can be considered a valid mechanism(s) for the reaction
A dilute solution containing 5 ppm of solute has a density of 1.00 g/ml. Express the concentration of the solute in g/L, ug/mL and mg/L.
f the water if brought to the vapour state at 204C and 710 KPa, where its enthalpy is 2649.4 KJ/Kg and its specific volume is 291.8 cm^3/g, what is the internal energy (U) at these conditions in KJ/Kg? c) Calculate the change in internal energy (d..
Calculate the maximum work that could be obtained from the combustion of 1 mole of butane, C4 H10, to give carbon dioxide gas and liquid water.
devise a reaction scheme to make ethanol from propanoic acid. several steps may be required. for each reaction include
What is the anode reaction during electrolysis of neutral aqueous copper(II) sulfate using inert electrodes
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