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Dialysis

Separation of substances in solution by means of their unequal diffusion through semipermeable membranes.The process of separating larger molecules from smaller molecules that occurs in kidney dialysis for example, where a machine takes a role of a kidney and filtrates blood.


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definition for the word/verb pellet

... protein) and the use the verb pellet alot and I could not find a good definition for this verb, Can anyone help me? "and followin dialysis into H buffer, pelletable IF were formed, provided...)" "In all cases,90-95% of the vimentin pelleted" "Samples of similar ...

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by oren
Thu Jun 25, 2009 10:34 am
 
Forum: General Discussion
Topic: definition for the word/verb pellet
Replies: 2
Views: 109

Porous potatoes - Osmosis

... there is less solute in the solution than in the potato (hypotonic), water will move into the potato. I have done this with starch, glucose, and dialysis tubing before... :)

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by plasmodesmata11
Thu Feb 12, 2009 12:29 am
 
Forum: Cell Biology
Topic: Porous potatoes - Osmosis
Replies: 7
Views: 1577

Re: Help w/ Lab Assignment: How Things Get Into & Out Of Cell

... but when mixed with potassium iodine the mixture become water soluble. So the KI solution does infact have water in it. So considering that. The dialysis bag will not allow starch molecules to penetrate. The starch is a polysaccharide, and is thus highly concentrated chain of monosaccharides. ...

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by MichaelXY
Wed Oct 22, 2008 10:22 pm
 
Forum: Cell Biology
Topic: Help w/ Lab Assignment: How Things Get Into & Out Of Cell
Replies: 5
Views: 987

Help w/ Lab Assignment: How Things Get Into & Out Of Cell

Okay, so in the Lab Assignment that I'm currently working on in AP Biology, there is a question that says: What results would you expect if a dialysis bag were filled with glucose and iodine and then placed into a beaker of starch and water? Its a multiple choice question (which you think would ...

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by Funkfruit
Wed Oct 22, 2008 9:31 pm
 
Forum: Cell Biology
Topic: Help w/ Lab Assignment: How Things Get Into & Out Of Cell
Replies: 5
Views: 987

diffusion and osmosis. help me please?

... 16. can materials diffuse through a membrane in both directions at the same time? support your statement. - no answer 17. in what way is the dialysis membrane like the cell membrane? - the dialysis membrane and the cell membrane are both semipermeable. they allow substances to enter and exit ...

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by lanzshade
Thu Oct 02, 2008 12:50 am
 
Forum: Cell Biology
Topic: diffusion and osmosis. help me please?
Replies: 1
Views: 2757
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