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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- 13. 0.9% (m/v) NaCI solution and 5% (m/v) glucose solution are both isotonic to red blood cells. SHOW your work and watch sig figs & units. c. convert the concentration from M to % (m/v) for a 0.342 M NaC solution. (HINT: convert to g/ml and then multiple by 100%)80mL of a 0.3M solution of hexapeptide Leu-His-Cys-Glu-Asn-Arg is adjusted to pH=pl. The solution is then titrated with 0.2M HCI to a final pH of 2.1. Sketch the titration curve, labelling the pH and volume axes. Indicate the volume of HCl needed to reach each relevant pKa value and equivalence point(s). Relevant pka values are: 2.1, 4.3, 6.0, 8.3, 9.8, and 12.5.80mL of a 0.3M solution of hexapeptide Leu-His-Cys-Glu-Asn-Arg is adjusted to pH=pI. The solution is then titrated with 0.2M HCL to a final pH of 2.1. Sketch the titration curve, labelling the pH and volume axes. Indicate the volume of HCL needed to reach relevant pKa value and equivalence point(s)z Relevant pKa values are: 2.1, 4.3, 6.0, 8.3, 9.8, and 12.5.
- MN IBW = 57kg MN needs 1,800 calories per day, 1.5 g/kg/day (using IBW) for protiens, and 3.5 g/kg/day (using IBW) for carbohydrates. The pharmacy has a 2-in-1 amino acid and dextrose premix, Clinimix 1.25/10 (4.25% amino acid in 10% dextrose), currently in stock. The remaining calories are provided by 10% Intralipid emulsion (1.1 kcal/mL). 1. Determine the total volume in mL of Clinimix 4.25/10 required to provide the above the maount of amino acids. Roun to the nearest Whole number. 2. Determine the total volume in mL in Clinimax 4.25/10 required to provide the above amount of carbohydrates. Round to the nearest Whole number. 3. How many mL of Clinimix 4.25/10 will the patient need per day? Round your answer to the nearest 50 mL.Determine 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 0.256Determine 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 0.256
- Tirofiban (C22H36N₂O5S MWt = 440.6) is present as tirofiban HCI monohydrate MWt=495.1) at 0.281 mg/mL in a concentrated solution. (C22H36N2O5S.HCI.H₂O A solution for infusion is prepared by extracting 50 mL from a 250 mL bag of 5% glucose s and adding 50 mL of concentrated solution. Sonya who weighs weighs 60 kg requires a tirofiban dose of 0.4 mcg/kg/min for 30 minute- What volume would remain after 30 minutes? Answer: 94.53 mL X The correct answer is: 236 mLIf we were handed a tuke of 2mg/mL BSA how much is required 20μL of each of the following Concentrations? to make zoul total bring up to volume with dH ₂0 @ 01125 mg/mL (1) 0,150 mg Ⓒ 0.50 mg/mL @ 0.75 mg/mL Ⓒ 1.0mg/ml /ML Can it be solved using C₂ C₁V₁ = C₂ V₂ If CI= V₁ yes, please show work. VzThe effect of temperature on the hydrolysis of lactose by a ß-galactosidase is shown below in Table 1. The temperature coefficient, Q10 is the factor by which the rate increases by raising the temperature 10°C. The universal gas constant, R is 8.314 J/mol.K. (a) (b) Table 1: Data of Vmax over temperature T (°C) 20 30 35 40 45 Vmax (umoles/min.mg protein) 4.50 8.65 11.80 15.96 21.36 Plot the graph of In Vm vs 1/T using any spreadsheet software (include all appropriate labels and equation). Calculate the activation energy Ea and temperature coefficient Q10.
- Calculate the concentration of p-aminophenol control to match the 0.075 % w/w limit in 200 mg/10 ml Your Answer: 0.0015% show workQuinine ( C20 H24 N2 O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug. For quinine, pK, = 5.1 and pK, = 9.7 ( pKp = – log Kp). Only 1 g quinine will dissolve in 1920.0 mL of solution. Calculate the pH of a saturated aqueous solution of quinine. Consider only the reaction | Q+ H2O= QH+ + OH- described by pK, where Q = quinine. pH =Acetocholinesterase is an enzyme possessing a single active site that metabolizesacetylcholine with a turn over number of 1.4 x 10^4s-1. How many grams of acetylcholine(molecular formula C7NO2H16+) will 2.16 x 10^-6 g acetocholinesterase metabolize in 60minutes? (The enzyme’s molecular mass is 4.2 x 10^4 g/mol).