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Determine the protein concentration in a fraction saved during cytochrome c purification. the Bradford method and used the standard BSA to create a standard curve. 10 µL from the original sample was taken and diluted to a total of 1000 µL total. Using 5 µL from the diluted solution and adding enough water and the dye to bring the total volume up to 3.0 mL.the absorbance value of a solution at 595nm was 0.060. What is the protein concentration (mg/mL) in the original solution? The equation from the BSA standard curve is y=0.0264x+0.0129 where y is the absorbance and x is the concentration in µg/mL
Mass of empty test tube 7.597 gMass of test tube and sample before heating 8.089 gMass of test tube and sample after heating 7.956 g
a bacterial culture isolated from sewage produced 35.5 ml of methane ch4 at 31 oc and 753 mmhg. what is the volume of
Explain why the melting temperature of a double-helical DNA increases when the Na+ concentration increases.
The flask shown here contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.300 M NaOH. A. What volume of NaOH is needed to reach the end point of the titration?
It has been observed that malonyl-CoA inhibits palmitic acid oxidation in isolated mitochondria, but that it has little or no effect on the oxidation of octanoic acid
If the 4.00g sample corresponds to 0.0666 moles of a compound, what is the molecular formula of the unknown molecule (CxHyOz)
Methanol can be produced by the reaction shown below with the following thermodynamic data given at 25 degree Celcius.
Give the bond angle and describe the shape around the central atom designated in this molecule.
There is a 5f electron and a 5d. Whats the allowable combination of quantum numbers, i guess what differs the two. Wouldn't the number of quantum numbers be the same
A mixture at equilibrium at 827 C contains .552 mol CO2, .552 mol H2, .448 mol CO, and .448 mol H20. The balanced equation is shown below: CO2(g) + H2(g) CO(g) + H2O(g) What is the value of Keq?
The Ksp of Ca(OH)2 is 5.5x10^-5. What is the concentration of the OH^- (aq) when in a saturated solution of Ca(OH)2 (aq)
Why do protease-producing cells of the stomach and of the pancreas produce only the precursors to active proteolytic enzymes?
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