What is the best ( correct ) answer? ( please answer the two questions )    1- Plasma membrane :  A.  Support the cell and protect against plasmolysis B.  Composed of glycoprotein(s) and involved in transferring material into or out of the cell  C. Controls which material can get in or out of the cell   2- Cilia : A. Ring of nine outer microtubule doublets (9+2 axoneme) B. Composed of microtubules and sweep mucus out of respiratory tract

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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.