Sketch out the titration curve below and the structure(s) of the major ionic form(s) of glutamic acid that exist in solution at the noted parts of the titration curve. Refer to the fully protonated glutamic acid and the pKa
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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%)What is the amount of dextrose in mg/kg/min provided by the following TPN for a 60 kg patient? Round to 1 decimal place, do not enter units Dextrose (70%) 320 g Amino acids (8.5%) 92 g Lipids (10%) 44 g sodium chloride 60 mEq sodium acetate 40 mEq Sodium phosphate 15 mmol potassium chloride 80 mEq potassium acetate 30 mEq calcium gluconate 18 mEq magnesium sulfate 8 mEq Multivitamins 10 mL Trace elements 1 mL Total volume: 2640 mL Rate: 110 mL/hrCalculate the unknown concentration of the PROTEIN C with an absorbance value of A412 given the standard curve indicated in the table below. Write your final answer (NUMBER ONLY) in two decimal places rounded off. Protein concentration (µg/mL) 0 0.02 0.04 0.06 0.08 0.10 Your answer APIENT Absorbance 0.000 0.161 0.284 0.438 0.572 0.762
- 20.28 The following initial velocities were determined spec- trophotometrically for solutions of sodium succinate to which a constant amount of succinoxidase was added. The velocities are given as the change in absorbancy at 250 nm in 10 s. Calculate V, KM, and K, for malonate. AX 103 10 s 15 x 10-6 mol L-1 [Succinate] 10-3 mol L-1 No Inhibitor Malonate 10.0 16.7 14.9 2.0 14.2 10.0 1.0 11.3 7.7 0.5 8.8 4.9 0.33 7.1 Hint: Treat this problem using the competitive inhibited rate lawCalculate the molar mass for each of the followingPharmaceuticals When a medicine is administered orally, the concentration of the drug in the patient's circulation after t minutes is given by C(t) = 0.06t – 0.00021, where Osls 240 and the concentration is measured in mg/L. When does the highest serum concentration occur, and what is that maximum serum concentration?
- Given this: Protein Isoelectric pH Molecular weight (kDa) Ovalbumin 4.6 45 Insulin 5.4 5.7 Fibrinogen 5.8 340 Y-globulin 6.6 160 Collagen 6.6 115 Hemoglobin (monomer) 7.1 16 Мyoglobin 7.0 16.7 What is the appearance after visualization of a protein mixture containing the seven proteins above when subjected to SDS-PAGE?pH of solution 14.00 12.00 10.00 8.00 6.00 First 4.00 equivalence point 2.00 0 First midpoint Second equivalence point Third midpoint pH = pKa=12.32 Third equivalence point HPO4(aq) + OH(aq) PO4(aq) + H2O(1) Second midpoint pH = pKa = 7.21 H2PO4 (aq) + OH(aq) HPO42 (aq) + H2O(1) Using the Henderson- Hasselback equation, show how to create 2L of a 0.1 M KPhos pH 7.5 buffer using K2HPO4 and KH2PO4. The chart to the left should help you understand what pKa to start with. Show your work. pH = pKa = 2.16 H3PO4(aq) + OH(aq) H2PO4(aq) + H2O(l) 25.0 50.0 75.0 100.0 Volume of NaOH added (mL)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 graph
- Find AG and AS for the experiment with Urea Standard State/when it melts AG: Mass of Urea (in grams) = 3.64 g Final volume of solution in graduated cylinder = 6.2 mL T= 298.15 K K = [(NH2)2CO]eq R = 0.008314 kJ/mol K AG = -RT In K [(NH2)2CO] = mol of (NH2)2CO/L of solution AS: AG(KJ/mol) = AH(kJ/mol) - TAS(kJ/mol K – times it by 1000) T= 298.15 K AG = ASBlood pH is maintained at a range of 7.4. The following set of equations representsthe reactions of the blood buffering system. The pk, for the dissociation ofH,COg into HOg and H* is 6.3.Carbonic AnhydraseCO2 + H2OH2CO3> HCO3- + H+(a) (Calculate the ratio [HCO3 ]/[H,COg] at physiological pH. Show work.(b)) An individual with diabetes presented at an urgent care with fatigue andnausea. Lab tests showed that their blood [HOg ]/[H,COg] ratio was 3.4. Whatwas the pH of the patient's blood? Show work.(c) ) Clinic staff also noticed that the patient was breathing rapidly. What isthe reason for this rapid breathing and how might it help alleviate the patient'scondition?Q1. Consider the structure of Glutamic acid (pK, values 2.2, 4.3 and 9.7). но HO. H2N H (a) Assign (R) or (S) configuration to the chiral center. (b) Draw the Zwitterionic form of glutamic acid. (c) Calculate the isoelectric point for glutamic acid. (d) At which pH range glutamic acid solution has a net – 1 charge? (e) What is the pH of a glutamic acid solution in which the a-amine group is 70% deprotonated? (show calculation!)