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What type of dialysis tubing should you use for albumin with molecular weight of 66776 Da?
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What substance in the dialysis tubing or jar did not diffuse across the dialysis bag membrane and why?
molecular weight higher than the pore size of the tubing or dialysis bag material doesnt go.
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 cell structure the dialysis tubing represents?
Dialysis tubing is often used to emulate the selective permeability of the cell membrane.
Can hydrogen ion pass through the pores of dialysis tubing?
No.Hydrogen ion cannot pass through the pores of dialysis tubing.
What is the diameter of a dialysis tubing pore?
A dialysis tubing pore is usually 20nm, but some dialysis tubings are specially made to have smaller or larger pores ranging from .85 nanometers to 30 nanometers.
To Which substances was the dialysis tubing permeable?
I don't know unless you give more details!
Which set should be used to set up a demonstration of diffusion?
Set B, the one with dialysis tubing
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.
Can sucrose molecules enter the dialysing tubing during dialysis?
NO
How is dialysis tubing like a nephron?
Gooodd luck i have no clue
Can oxygen pass through pores of dialysis tubing?
probably not
Why can't sodium ions pass through dialysis tubing?
They can, actually. That's what the whole dialysis method is based on.
