why sugar molecules cannot diffuse out of the visking tubing?

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why sugar molecules cannot diffuse out of the visking tubing?

sience stuck!!!!!! HELP(:

2007-03-10 01:03:28 · 3 answers · asked by angelicgurl 1 in Science & Mathematics ➔ Chemistry

3 answers

They are too large to diffuse across a membrane. In contrast, glucose molecules or any other monosaccaride is small enough to diffuse through the membrane.

2007-03-10 01:09:05 · answer #1 · answered by cloudprincess92 3 · 0⤊ 0⤋

They are too big to diffuse through the membrane of the visking tube....

2007-03-10 09:36:56 · answer #2 · answered by godrics 2 · 0⤊ 0⤋

They're too big. Monosaccharides (glucose, etc.) can but the pore size is too small to allow polysaccharides to pass through.

2007-03-10 09:10:03 · answer #3 · answered by TheOnlyBeldin 7 · 0⤊ 0⤋