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The cell membrane. It is described as semipermeable
diffusion. Osmosis is movement across a semipermeable membrane
the cell membrane is the outer part of the cell wall.
Cholesterol.
cell membrane receptors
The term for the diffusion of water across a semipermeable membrane is osmosis. Osmosis is when the molecules of a solvent move from a less concentrated solution to a more concentrated one. This equalizes the concentrations on each side of the member.
The cell membrane, which encloses the cell, is a selective membrane which allows some molecules to pass and others not.
They may serve specialized functions in the cell including protein synthesis, sequestration of calcium, production of steroids, storage and production of glycogen, and insertion of membrane proteins.
Cell membrane. the only part that has contact with external parts of cell. (also on yahoo answers ;)
In the animal cell, the cell membrane is the outer layer of the cell, that holds the organelles and the cytoplasm inside. It also allows things to get in and to get out of the cell. The cell membrane is also an important part of the plant cell too, but it is not the outer layer. It still has the same functions, but it is inside another part of the cell called the cell wall. The cell wall is the outermost part of a plant cell ind is stiffer and thicker than the cell membrane.
The continuous part of the plasma membrane is the outer layer.
The outermost structure of an animal cell is the cell membrane. The cell membrane is the membrane separating the interior of the cell from the outside environment. It is made up of proteins and lipids.