When brown iodine is exposed to starch it turns dark purple. In an experiment, you placed a cornstarch solution in a small bag made of dialysis tubing. Next, you placed the bag in a beaker of water containing 10 drops of iodine. If the solution in the dialysis tubing bag turned dark purple (Select all that apply).

a. the plastic bag was permeable to cornstarch.
b. aces the plastic bag was permeable to iodine.
c. the iodine moved into the plastic bag.
d. the cornstarch moved into the beaker.
e. the plastic bag was selectively permeable.