If the dialysis sac is permeable only to water & iodine, what will the solutions in the beaker & the sac look like after 2 hours? A) the iodine solution in the beaker will turn blue-black; the starch solution will not change B) starch solution in the dialysis sac will turn blue-black; iodine solution will not change C) neither solution will turn blue-black D) both solutions will turn blue-black B) starch solution in the dialysis sac will turn blue-black; iodine solution will not change