membrane transport

См. также в других словарях:

• Membrane transport — In cellular biology the term membrane transport refers to the collection of mechanisms that regulate the passage of solutes such as ions and small molecules through biological membranes namely lipid bilayers that contain proteins embedded in them …   Wikipedia

• Membrane transport protein — A membrane transport protein (or simply transporter) is a membrane protein[1] involved in the movement of ions, small molecules, or macromolecules, such as another protein across a biological membrane. Transport proteins are integral membrane… …   Wikipedia

• membrane transport — The transfer of a substance from one side of a plasma membrane to the other, in a specific direction, and at a rate faster than diffusion alone. See active transport …   Dictionary of molecular biology

• membrane transport protein — a protein that facilitates the transport of one or more specific substances across the plasma membrane; see also transport p …   Medical dictionary

• Mitochondrial membrane transport protein — Mitochondrial membrane transport proteins are proteins which exist in the membranes of mitochondria and which serve to transport[1] molecules and other factors such as ions into or out of the organelles. Examples Examples of mitochondrial… …   Wikipedia

• Membrane curvature — is the geometrical measure or characterization of the curvature of membranes. The membranes can be naturally occurring or man made (synthetic). An example of naturally occurring membrane is the lipid bilayer of cells, also known as cellular… …   Wikipedia

• Membrane potential — Differences in concentration of ions on opposite sides of a cellular membrane lead to a voltage called the membrane potential. Many ions have a concentration gradient across the membrane, including potassium (K+), which is at a high inside and a… …   Wikipedia

• Transport protein — A transmembrane protein that helps a certain substance or class of closely related substances to cross the membraneTransport protein can refer to: *Membrane transport protein *Vesicular transport protein *Water soluble carriers of small molecules …   Wikipedia

• Membrane channel — A family of biological membrane proteins which allow the passive movement of ions (ion channels), water (aquaporins) or other solutes to passively pass through the membrane down their electrochemical gradient. References Molecular Biology of the… …   Wikipedia

• Membrane Plasmique — La membrane plasmique d une cellule eucaryote. La membrane plasmique, ou plasmalemme, est la membrane qui délimite une cellule, elle sépare le cytoplasme du milieu extérieur. Sommaire …   Wikipédia en Français

• Membrane cellulaire — Membrane (biologie) Pour les articles homonymes, voir Membrane. Fig 1. Schéma d une cellule et de ses membranes; 2. Membrane nucléaire; 4. Vésicule; 5. Réticulum …   Wikipédia en Français