For the following concentrations, determine the equivalent of a. 75ug/mg lyophilized protein in ppm b. 6.3 x 10 mg/L of glycogen in % (w/v)
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- Determine the values of KM and Vmax for the decar-boxylation of a β-keto acid given the following data. Substrate Concentration (mol L1) Velocity (mM min1)2.500 0.5881.000 0.5000.714 0.4170.526 0.3700.250 0.256Determine the values of Km and Vmax for the decarboxylation of β-keto acid given the following data. Please show and label your plot. Show your calculations and box your final [S] in mol/l V in mM/ min 2.500 0.588 1.000 0.500 0.714 0.417 0.526 0.370 0.250 0.256A 0.0284 M aqueous solution of lactic acid, HC3H5O3, a substance that accumulates in the blood and muscles during physical activity, is found to be 6.7% ionized. Determine the value of Ka for lactic acid.
- Substrate Concentration (mol L1) Velocity (mM min-1) 2.500 0.588 1.000 0.500 0.714 0.417 0.526 0.370 0.250 0.256 Determine the values of Km and Vmax for the decarboxylation of a 훃-keto acid given the followingdata. You have to plot the graph by using excel and please include the scope of graphThe ΔG°′ value for glucose-1-phosphate is -20.9 kJ/mol. If glucose and phosphate are both at 4.8 mM, what is the equilibrium concentration of glucose-1-phosphate?Infuse heparin at 1,200 units per hour from a solution containing 40,000 units of heparin in 500 mL D5W. How many mL/hr will deliver the ordered dosage?
- If glucose, phosphate, and glucose-6-phosphate arecombined in concentrations of 4.8, 4.8, and 0.25 mM,respectively, what is the equilibrium constant for thehydrolysis of glucose-6-phosphate at a temprature of258C?Sketch a titration curve and the structures of the major ionic forms of glutamic acid that exist in solution at the noted parts of the titration curve. Refer to the fully pronated glutamic acid and the pKa.6 Concanavalin (ConA) is a 25.5KDa protein with pI of 4.7 and optical absorbance (A 0.1% 289) of 1.14. calculate the concentration of an aqueous solution of pure BSA protein with an absorbance of 0.66 at 280nm. give your answer in units of mg/ml ?
- The following table shows the molecular masses (Mr) and isoelectric points (pI) of five proteins: Protein Mr pI Chicken egg white lysozyme 14,000 11.0 Carbonic anhydrase 30,000 5.4 Ovalbumin 45,000 4.5 Phosphorylase b 97,000 6.7 Lactate dehydrogenase 140,000 7.12 (a) A solution containing these five proteins was adjusted to pH 7.0 and then applied to a SIZE-EXCLUSION COLUMN. Assume that these five protein molecules are spherical in shape. Which protein is likely to be eluted LAST from the column? Explain briefly. (b) In another experiment, this protein mixture was first adjusted to pH 6.7 before applying to a CATION-EXCHANGE COLUMN. (i)What is the net charge on phosphorylase b? (ii) Which of these five proteins will bind to the CATION-EXCHANGER? Explain briefly.vGiven the following information, calculate the total activity in the undiluted protein sample. Activity of 1 ml of diluted sample = 0.5 Total volume of sample = 5 ml Dilution factor = 10 25 50.5 250 2.5Given the titration curve of the hypothetical polyprotic acid X at 0.100 M concentration (pKa1=4.0, pKa2=8.0, pKa3=12.0) titrated with 0.600 M NaOH, identify the pH at point C, H, E, and M.