Data Table Last Name: (FT Volume (al) Mass (grames) Colos Glecone Initial Final
ID: 3507218 • Letter: D
Question
Data Table Last Name: (FT Volume (al) Mass (grames) Colos Glecone Initial Final Initial FinalInitial Final Initial Final Initial Final Starch 50 ml l.woter Cylinder 2. IK Dialysis1wrer Bag 2.go Contents of container (what was added to the empty cylinder and to the empty bag initially) Questions worth 20 points Note: Be sure to answer all parts of all questions for full credit!! Define selective permeability. Be very complete. or e Define osmosis. Be very complete. (more than 3 or 4 words) How can you tell if osmosis occurred in the dialysis bag? (Hint: there are 2 ways you can tell) For each of the following 3 substances used in this experiment, cirele whether the substance moved or out of the dialysis tubing bag or did not move. Explain how you know!! glucose -into bag, out of bag, did not move I know this because: 4. iodine - into bag, out of bag, did not move I know this because 5. starch-into bag, out of bag, did not move I know this because: 6.Explanation / Answer
Answer 5. As the final color of the dialysis bag is blue, means iodine is into the bag.
Answer 6. If the final color of the bag is blue means starch is also there, thus iodine test has come positive because starch alpha helix structure accommodates the I2 molecules . Thus, starch is also into the bag.
Answer 4. In the initial and final content in the dialysis bag, glucose is marked positive, means it is there inside the bag.
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