â€”L 9.0 Make a prediction as to which molecules that started inside of the dialysis bag will be able to diffuse out of the bag and into the solution in Beaker #1 by the end of the experiment? Did your results support or reject your hypothesis? What do your results tell us about the size of the glucose molecule? a. Glucose is a small molecule that can cross the membrane. b. Glucose is a large molecule that cannot cross the membrane. What do your results tell us about the size of the starch molecule? a. Starch is a small molecule that can cross the membrane. b. Starch is a large molecule that cannot cross the membrane. Did the contents inside of the b_ag become blue? Yes, because starch diffused out the bag and mixed with the iodine that entered the bag. No, because starch diffused out the bag and reacted with the iodine in the beaker. Yes, because starch remained in the bag and mixed with the iodine that had diffused into the bag. No, because starch remained in the bag and did not mix with iodine. Did the solution in the beaker turn blue? Yes, because salt crossed the membrane and reacted with the iodine present in the beaker. No, because starch crossed the membrane and reacted with the iodine present in the beaker. Yes, because iodine will turn blue in the presence of sugar. No, because the iodine will only react with starch which was too large to cross the membrane.
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