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- 01 M Inbox (449) - krys. Start Later, Sleep. 8 Amazing Benefit... /SC The drug Ouabain inhibits the function of the sodium-potassium pump. Predict the short-term and long-term effects of Ouabain on the excitability (ability to be stimulated) of a neuron. Think about the effect this would have on the resting membrane potential. A- В I 三 三 X2 x² =三三6. If inhibitor X changes lactase activity to a Vo of 0.333333333333 mM per minute when [S] = 2.0 mM, and a Vo of 0.50 mM per minute when [S] = 3.33333333333 mM, calculate the new Vmax. 1.0 mM per minute 2.0 mM per minute 2.5 mM per minute 5.0 mM per minute 10.0 mM per minute 7. Calculate the new Km of the lactase reaction with inhibitor X. 1.0 mM 2.0 mM 2.5 mM 5.0 mM 10.0 mM 8. Calculate the slope on a Lineweaver-Burk plot (Km / Vmax) for the lactase reaction with inhibitor X. 1.0 per minute 2.0 per minute 2.5 per minute 5.0 per minute 10.0 per minute Inhibitor X exerts which of the following effects on the above enzyme (lactase)? uncompetitive inhibition mixed noncompetitive inhibition competitive inhibition pure noncompetitive inhibition all of the aboveans fast I will upvote A sample of PbSO4 solid has reached equilibrium in a beaker of water. If the ionic strength of the solution is then increased by adding LINO3 salt what happens to the activity coefficients of the Pb+2 and what happens to the solubility of the PbSO4 choose the option and explain the activity coefficient will increase and the molar solubility will decrease Both activity coefficient the molar solubility will decrease the activity coefficient will decrease and the molar solubility will increase Both activity coefficient the molar solubility will increase
- Please ASAP. Thankyou. Question 7 A hypothetical anion has a Nernst potential of -100 mV. At resting membrane potential (-70 mV), the anion flows in which direction? a. not enough information b. Into the cell c. Out of the Cell d. It does not flow2.For question number 1 if a mixture was prepared containing 1 M Glucose 6-Phosphate and 0.001 M Glucose 1-Phosphate the ∆G for this reaction is: included question 1 however, need help with 2 and provided the option for the answer 1.What is the Keq for the conversion of Glucose 1-Phosphate to Glucose 6-Phosphate if the phosphate transfer potential for Glucose 1-Phosphate and Glucose 6-Phosphate are 20.9 kJ/mol and 13.8 kJ/mol respectively?4. a. Calculate the KM (Michaelis constant) and the vmax (the maximum initial rate) for both substrates (sphingosine and ATP). Show your work, and be careful about units. b. threo-dihydrosphingosine, a stereoisomer of sphingosine, is an inhibitor of sphingosine kinase. What kind of inhibitor (competitive, uncompetitive, noncompetitive) is threo-dihydrosphingosine? Citing information from the Lineweaver-Burke plots, explain how you can tell.
- P CO HI F. sum21.ex1.137 Accessibility Mo 日- Which of the following molecules generally possesses a complex shape that allows the molecule to function as tools and machinery that essentially do all the work within a living cell? 15. A. triglycerides B. proteins C. carbohydrate D. A and Bare correct. 16. Which of the following molecules is NOT involved in cell-to-cell signaling? A nroctaalandine Give %00% kidomi 56°F 近 Insert F8 F6 & %24 8. K 2 G oW N MPlease asap. Thankyou. Question 8 If the concentration of Na+ inside of a cell increases, the Nernst potential for Na+ will do what? Become more positive Become more negative Not change Not sureSHOW 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 Kilowatts
- Pls send solution fast within 10 minutes and i will give like for sure Solution must be in typed form Calcium ions bind to the SERCA Ca2+ -ATPase, which has two identical calcium sites, in two stages with apparent equilibrium constants K1=7×105M−1 and K2=2×106M−1 . a.) Calculate K. Note: K is not 0.1*1013 or 14*1011 or 1*1012. b.) Calculate τ.Please help me with this one. Cause and Effect: 1. A wet pipette was used to transfer 10.00 mL of 1M HNO3 in the determination of ΔHrxn. [magnitude of ΔHrxn] a. Increase b. Decrease c. No effect 2.The test tube used in the determination of the ΔHrxn for nitric acid was still wet with water. [ magnitude of ΔHrxn] a. Increase b. Decrease c. No effect 3.The actual concentration of the sodium hydroxide used in the calibration part of the experiment was lower than the stated value. [Ccal] a. Increase b. Decrease c. No effect 4.The actual concentration of the sodium hydroxide used in the calibration part of the experiment was lower than the stated value. However, the NaOH solution used in the determination of ΔHrxn was of the correct concentration. [magnitude of ΔHrxn] a. Increase b. Decrease c. No effect 5.The thermometer and stopper were inserted to the test tube 5 minutes after adding the base in the calibration part. [Ccal] a. Increase b. Decrease c. No effectTrue or False 1. In a generic cell, the concentration of Cl- is lower outside than inside 2. A cell at rest only has 2 types of ion permeabilities (where P ion_1 = 1 and P ion_2 =1) the concentration gradients of the two ion types have the same magnitude but opposite polarity (Assume both types of ions have the same valence). Thus, Vm = 0 mV