Glucose, a simple sugar molecule, will pass through the selectively permeable membrane of the dialysis tubing, while starch, a complex sugar, will be blocked, and remain within the dailysis tubing.
Data
| Initial Contents | Solution Color | Presence of Glucose | |||
| Initial | Final | Initial | Final | ||
| Bag | 15% glucose & 1% starch | clear | navy blue | yes | yes |
| Beaker | H2O & IKI | clear | clear | no | yes |
Analysis of Results
1. Which substance(s) are entering the bag and which are leaving hte bag? What experimental evidence supports your answer?
