You obtain two segments of dialysis tubing with large pores. You fill two large beakers with distilled water. In beaker A, you place a dialysis bag (bag A) containing a 1% solution of a protein called Tiny. In beaker B, you place a dialysis bag (bag B) containing a 1% solution of a protein called Dinky. After two hours, you recover the bag contents and the beaker contents and perform a biuret assay. The results of the assay are shown below. What can you conclude about the relative sizes of Tiny and Dinky?

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Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.