Plasma membrane

plasma membrane
living, semipermeable membrane covering certain cells; see cell membrane
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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The inner leaflet of a typical mammalian plasma membrane contains 20-30% univalent PS (phosphatidylserine) and ~1% multivalent PtdIns(4,5)P2. Numerous proteins have clusters of basic (or basic/hydrophobic) residues that bind to these acidic lipids.
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The plasma membrane serves as the interface between the machinery in the interior of the cell and the extracellular fluid (ECF) that bathes all cells.
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Plasma Membrane
The plasma membrane surrounds the cell and functions as an interface between the living interior of the cell and the nonliving exterior.
All cells have one.
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plasma membrane -- Outer membrane of a cell, sometimes called the cell membrane. The term plasma membrane is used more frequently when discussing prokaryotes.
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plasma membrane: also called a cell membrane; a membrane composed of lipids, proteins, and phospholipids.
plasmid: small circular DNA molecules often used as vectors to transform specific genes into cells.
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plasma membrane
[Gk. plasma, form or mold + L. membrana, skin, parchment]
The membrane at the boundary of every cell that acts as a selective barrier, thereby regulating the cell's chemical composition.
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plasma membrane - encloses the cell, defines its boundaries, and maintains the essential differences between the cytosol and the extracellular environment ...
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plasma membrane Outermost membrane of a cell; its surface has molecular regions that detect changes in external conditions and act as a selective barrier to the passage of ions and molecules between the cell and its environment.
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plasma membrane
The outer boundary of cells which is only visible with an electron microscope.
plasmalemma
the cell membrane that also lines the connecting plamsodesmata between living cells.
Covered in Lab 3 Cell Biology ...
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The plasma membrane is a lipid bilayer membrane that separates the cell from its environment and regulates the transport of molecules and signals into and out of the cell.
The nuclear envelope is the membrane around the nucleus of the cell.
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The plasma membrane of neurons, like all other cells, has an unequal distribution of ions and electrical charges between the two sides of the membrane. The outside of the membrane has a positive charge, inside has a negative charge.
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The plasma membrane (a phospholipid bilayer) separates the interior of the cell from its environment and serves as a filter and communications beacon.
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chemiosmotic coupling Coupling of ATP synthesis to electron transfer via an electrochemical pH gradient across a membrane (inner mitochondrial membrane, bacterial plasma membrane, or thylakoid membrane).
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Because, as you might imagine, a vesicle swimming up against a plasma membrane, it doesn't just fuse. It's very difficult for that to happen. So it has to assemble a whole bunch of macromolecules at that spot.
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Substance contained within the plasma membrane excluding, in eukaryotes, the nucleus.
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A protein that spans the plasma membrane of a cell, with the extracellular domain of the protein having the ability to bind to a ligand and the intracellular domain having an activity (such as a protein kinase) that can be altered (either increased ...
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cortical granules/vesicles - membrane-bound structures in the egg, derived from the Golgi apparatus, and found just beneath the plasma membrane.
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kytos - a hollow vessel, now often taken to mean a cell; Gr. plasma - anything formed or moulded]. A jelly-like material bounded by the plasma membrane of the cell, ...
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Its primary function is to process proteins targeted to the plasma membrane, lysosomes or endosomes and those that will be secreted from the cell, and sort them within vesicles. Thus, it functions as a central delivery system for the cell.
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