Dialysis (Visking) tubing is an artificial partially permeable membrane with pore sizes of approximately 2.5 nm. Glucose molecules have a diameter of about 1.5 nm and can pass through the pores in the membrane.
What else can pass through the pores?
1- bacteria
2- haemoglobin
3- ribosomes
4- fructose
1 )
1 and 3
2 )
2 and 4
3 )
2 only
4 only
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