Answer:
Initially, glucose was found only INSIDE
the dialysis tubing. After 15 minutes, a sample was taken. That sample showed that glucose was found OUTSIDE
the dialysis tubing.
Explanation:
I did it
The glucose was found only inside the dialysis tubing
After 15 minutes , glucose was found outside the dialysis tubing
∴ The two missing words are ; Inside and Outside
Although your question lacks some details your questions bothers around Osmosis and an answer is provided based on this concept
Given that glucose was initially found only inside the dialysis tubing and after 15 minutes the presence of glucose was discovered outside the dialysis tubing proves that a dialysis tubing is a selectively semi-permeable membranes that allows certain substances like glucose to pass through with time ( i.e. osmosis ) .
Hence we can conclude that the experiment is an osmosis experiment whereby The glucose was found only inside the dialysis tubing, and After 15 minutes , glucose was found outside the dialysis tubing
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