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- The table below gives the initial velocities of a decarboxylase, determined at various [S], in the presence or absence of a chemical substance F. [S] (MM) Vo (mM.min-¹) Vo in presence of F (mM.min¹¹) 1.5 2 3 4 8 16 20 0.21 0.25 0.30 0.33 0.40 0.42 0.42 0.06 0.08 0.10 0.12 0.13 0.15 0.16 0.16 1 0.15 1- Without drawing the graph and without calculation, determine the Vmax and Km values of the enzyme, in the absence and in the presence of the compound F. Can you deduce the precise role of F?Calculate for rate constant(k)A bacterial enzyme catalyzes the hydrolysis of maltose as shown in the reaction given below: Maltose + H2O -> 2 glucose If the reaction has a Km of 0.135 mM and a V max of 65 umol/min. What is the reaction velocity when the concentration of maltose is 1.0 mM? (Please take note of the units)
- A glucose solution is supplied in a repeated fed batch culture. The following parameters have been measured at t=2.5 hours; the system was under a quasi-steady state at this time. V = 1.0L, F = 0.22L/hr, S_0 = 98g/L, mu_m = 0.31/hr, K_s = 0.14 g-glucose/L, YM_X/S = 0.48 g-cells/g-glucose, Xt_0 = 33g (1) Calculate the value of V0 and S. (2) Calculate the value of Xt for t = 2.5hrs.After three minutes, the concentration of drug Zip in the red blood cells is 10 mmoles l-1. What is the average rate of entry of drug Zip into the red blood cells in units of moles min-1 red blood cell-1 during the first three minutes after placing the red blood cells into the bathing solution? Assume that each red blood cell occupies about 1 x 10-13 liters.Discuss two approaches (methods) based on week-intermolecular forces on detection of ATP over AMP? please explain, hand written answer will be preffered, thanks
- A bacterial enzyme catalyzes the hydrolysis of maltose as shown in the reaction given below: Maltose + H2O -> 2 glucose If the reaction has a Km of 0.135 mM and a V max of 65 m mol/min. What is the reaction velocity when the concentration of maltose is 1.0 mM?SHOW COMPLETE SOLUTION 1. An electrochemical cell consist of 0.2715 Ibs of MnO2, and 0.2524 Ibs of PbO2. A current flow through a 1.1 ohm resistor of electrochemical cell for 45 mins. The reaction takes place at 400k and the total volume of the solution is 504.9 cm^3. Use the standard reduction cell potential table for MnO2 and PbO2: concentration of Mn2+ (2.81 M) and PbO2 (0.95 M) Cell Potential E=0.48 V current when it passes through a 1.1 ohm resistor = 0.44 ampere Determine the following: a. quantity of electricity/charge, Q b. Energy consumed in Joules c. Power in KilowattsInfuse 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?
- Fill up the two missing values inside the two circles knowing that the total reaction volume is 2mL. 1) Dilution fraction 2) Water Don't include units in your answer. Membrane Brillant blueR 1g/L Dilution Sample suspension fraction (μL) (μL) 1) Control ? 0 50 2) 1/200 ? 10 50 3) 1/100 0.01 20 50 4) 1/50 ? 40 50 5) 1/20 100 50 Phosphate pH11, 0.2M (ml) 1 1 1 1 1 Water (mL) 0.95 ? ? ?Drug X 100mg is administered as an intramuscular injection and has the following pharmacokinetic parameters:t1/2 = 8hrska = 1.5h−1 V= 10lF = 65%What will be the concentration at 12hrs after the dose is administered?Calculate the rate enhancement for the enzyme pair: Enzyme 1: Kcat (sec-1)= 5.5 KM (µ M) = 1245 Kcat / KM = 0.00442 (µ M-1 sec-1) Enzyme 2: Kcat (sec-1)= 3.2 KM (µ M) = 1785 Kcat / KM = 0.00179 (µ M-1 sec-1)
