Consider an experiment in which starch is dissolved in a liter of water. Some of the solution is placed into a securely tied dialysis bag. The dialysis bag is placed into a beaker containing distilled water and iodine for 30 minutes. What are the correct answers for the questions below? (Note: Iodine reacts with starch to create a black/purple color.)How do substances enter or leave the dialysis bag?A.The dialysis bag is permeable to iodine so it can move into the bag but is not permeable to starch.B.There is a leak in the bag allowing starch to flow out.
