6 After running an Ion exchange chromotograpraphy column and using cation exchange, will the elution contain any activity?
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- 8 Define osmosis and solve simple problems involving osmosis; for example, predict whether cells will swell or shrink under various osmotic conditions.2. (a) Define concentration polarization and polarization modulus. How is polarization modulus mathematically related to filtration flux? (b) If bacterial cell debris has G t = 54 x 106 sec, what centrifuge speed is needed to effect a full sedimentation in two hours? (centrifuge having bowl diameter of 10 cm)How is fluid moved from compartment to compartment?
- The major anion in extracellular fluid is ________. sodium potassium chloride bicarbonateUsing the principle of diffusion, a dialysis machine removes waste solutes from a patients blood. Imagine blood runs through a cylinder wherein diffusion can occur across an artificial selectively permeable membrane to a saline solution on the other side. Which of the following statements is correct? a. Solutes move from lower to higher concentraction. b. The concentration gradient is lower in the patients blood than in the saline solution wash. c. The solutes are transported through a symport in the blood cell membrane. d. The saline solution has a lower concentration gradient of solute than the blood. e. The waste solutes are actively transported from the blood.Suppose like :- At 10 am you received a doctors order that you have to Infuse 1,000ml of PNSS in 10 hours to Mr Dela Cruz. What is the correct rate of this isotonic solution when the drop factor is 10 gtt = 1ml ? 15.73 qtts/min 31.249 qtts/min 49 qtts/min 18 qtts/min.
- 16. Describe the activity and function of the sodium-potassium pump. Define symport and antiport systems and state which system the sodium-potassium pump falls within.A) Consider membrane filtration. What is concentration polarization and why does it occur? B) What are the important parameters that affect the diffusivity in/across membranes and what do The they mean physically? C) Consider the Krogh Cylinder model. What is the physical meaning of the critical radiusand why does it occur?3. 4. 5. The waved albatross feeds exclusively on marine organisms and has no access to fresh water. It has specialized nasal glands to excrete excess salt. Consider the cellular mechanisms that might be involved in the productions of the highly concentrated salt solution released by this bird. a) Would the production of the concentrated salt solution be an active process or a passive process? Explain your reasoning. b) What type of membrane transport mechanisms might be involved? c) What problems might arise if the albatross were unable to rid itself of excess salt? Consider the following statement: "An understanding of chemistry is essential to a solid understanding of biological processes." State whether or not you agree with this statement and why. Use at least two specific examples from this course to justify your response. a) Describe, using a diagram or point form notes, what is happening during transcription and translation of protein synthesis. Indicate where these events take…
- 49 A 1 litre infusion of sodium chloride 0.9% is being given at a rate of 28 drops/min (standard giving set). How long will the infusion run at the specified rate?A new 850 cm^2 membrane is being tested for use in a hemodialysis device. During testing, a model fluid mixture is used that contains solutes with average radii of 1 nm. In one test, the concentration of the filtrate is found to be 2.17 g/L, while the concentration on the feed-side surface is 8.52 g/L. Prior experimentation showed that the mass transfer coefficient in the device was approximately 9 × 10-4 cm/s. A) If the total filtration flow rate is measured to be 0.56 cm^3/s, what is the solute concentration in the feed solution? B) Explain how you could determine the average membrane pore radius for this membrane using this information.1) SiRNA's result from the activity Argonaut true or false?
