Reference Terms
from Wikipedia, the free encyclopedia

Cell membrane

A cell membrane, plasma membrane or plasmalemma is a selectively permeable lipid bilayer coated by proteins which comprises the outer layer of a cell.

The plasma membrane works between the machinery on the inside of the cell and the outside fluid that bathes the cells.

The plasma membrane lets nutrients into the cell such as glucose, amino acids, and lipids.

Note:   The above text is excerpted from the Wikipedia article "Cell membrane", which has been released under the GNU Free Documentation License.
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July 30, 2015

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