Biologists use the fluid mosaic model to descfibe membrane structure. Which statements about the fluid mosaic structure of a membrane are correct? Select the three correct statements. The framework of a membrane is a bilayer of phospholipids with their hydrophillic heads facing the aqeous environment inside and outside of the cell and their hydrophobic tails clustered in the center. The diverse proteins found in and attached to membranes perform many important functions. Because membranes are fluid, membrane protrins and phospholipids can drift about in the membrane. Membranes include a mosaic, or mix of carbohydrates embedded in a phospholipids bilayer. The kinky tails of some proteins help keep the membrane fluid by preventing the component molecules from packing solidly together.

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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.