In the image, the tight junction proteins link cells together creating a barrier. These barrier proteins.. (A) protein A apical planu membra tight junction lateral plauma wembrane bal plasma membrane bal lamina O a Puli the cells so close together ions struggle to fit between cells O b. ) Prevent Transmembrane proteins from using membrane dynamics to float from the apical to the basolateral locations of a cell. Oc. Are cytoplasmic-side anchoring proteins Od. Prevent proteins and lipids from moving from apical to basolateral and don't let things pass between 2 cells side by side.

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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.