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No, tubing is not permeable at all, although the dialyzer is permeable to many solutes, depending on the type of dialyzer prescribed by a physician.
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∙ 11y ago
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Type of tubing that is semi-permeable?
The type of tubing that is semi-permeable is that tubing used for dialysis. It needs to be semi-permeable to switch or remove molecules for different types of diffusion.
To Which substances was the dialysis tubing permeable?
I don't know unless you give more details!
Why is dialysis tubing not submerged in pure water?
The tubing is permeable; itallows water to pass through the tube wall.
A cell membrane is like a what?
A semi-permeable membrane. It could be compared to dialysis tubing.
Was the membrane-tubing-permeable to starch?
I'm assuming this is in reference to an experiment where you put a starch in dialysis tubing, and then put iodine in surrounding solution. Dialysis tubing has a limit of roughly mwco (molecular weight cut off of 10,000). Iodine has a molecular weight of roughly 126, so it can pass through. On the other hand, starch is a polymer of 1000's of glucose molecules. Glucose (C6H12O6) has a molecular weight of roughly 180. 1000 * 180 = 180,000, so glucose cannot pass through the dialysis tubing. In this experiment you should see the sealed tubing turn purple-pinkish after the iodine diffuses through. The outside solution should remain the same color.
What is dialysis tubing supposed to mimic?
The dialysis tubing is meant to represent the semi permeable membrane of a cell. Like the cell membrane, dialysis tubing has holes or pores that only allow certain things to pass through. A cell membrane similarly will only allow certain things to pass in and out.
Which part of a kidney dialysis apparatus actually takes the place of the nephron?
tubing made of selectively permeable membrane
Why is dialysis tubing differently permeable?
To allow useful substance in and hold back the harmful ones in the blood, which helps in purification.
What does dialysis tubing represent in your model?
Dialysis Tubing is a type of semi or partially permeable membrane tubing made from regenerated cellulose or cellophane. It is used for diffusion, or more accurately osmosis. It allows the passage of small molecules but not larger ones. It is used in clinical circumstances to ensure a filtered flow of molecules, preventing the flow of larger solute molecules. Small molecules can be 'washed' out of a solution which is pumped through the tubing into a solvent, usually water, which surrounds it and in which they can be flushed away.
What is the components of blood that cannot pass the dialysis tuning?
First of all, it is called Dialysis Tubing. Secondly, they are not 'Components', they are 'Contents'. Thirdly, only small molecules can pass through the semi-permeable membrane of the tubing, if using Diffusion. If using Osmosis, only water can pass through.
How is dialysis membrane selectively permeable?
a dialysis membrane is selectively permeable, it is used in experiments to simulate cellular membranes, and it is permeable to water but not to sucrose.
What physical property of the dialysis tubing might explain its differential permeability?
Dialysis tubing is an impermeable membrane/containment vessel that is stratified with microscopic holes which restrict certain molecules or particles from diffusing through them. This leads dialysis tubing to serve as a selectively permeable membrane because it selectively prevents certain molecules from crossing the membrane based on the size of the molecules. (Typically water and glucose will diffuse through, whereas starch and potassium iodide will not.
