What does semipermeable membrane mean?
Definitions for semipermeable membrane
semiper·me·able mem·brane
This dictionary definitions page includes all the possible meanings, example usage and translations of the word semipermeable membrane.
Princeton's WordNet
semipermeable membranenoun
a membrane (as a cell membrane) that allows some molecules to pass through but not others
Wikipedia
Semipermeable membrane
Semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by osmosis. The rate of passage depends on the pressure, concentration, and temperature of the molecules or solutes on either side, as well as the permeability of the membrane to each solute. Depending on the membrane and the solute, permeability may depend on solute size, solubility, properties, or chemistry. How the membrane is constructed to be selective in its permeability will determine the rate and the permeability. Many natural and synthetic materials which are rather thick are also semipermeable. One example of this is the thin film on the inside of the egg.Biological membranes are selectively permeable, with the passage of molecules controlled by facilitated diffusion, passive transport or active transport regulated by proteins embedded in the membrane.
ChatGPT
semipermeable membrane
A semipermeable membrane is a type of biological or synthetic membrane that will allow certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion." It controls the movement of substances in and out of cells and separates cellular or subcellular compartments from each other or from the environment. Semipermeable membranes are key to the functionality of cells, especially in the process of osmosis.
Wikidata
Semipermeable membrane
A semipermeable membrane, also termed a selectively permeable membrane, a partially permeable membrane or a differentially permeable membrane, is a membrane that will allow certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion". The rate of passage depends on the pressure, concentration, and temperature of the molecules or solutes on either side, as well as the permeability of the membrane to each solute. Depending on the membrane and the solute, permeability may depend on solute size, solubility, properties, or chemistry. How the membrane is constructed to be selective in its permeability will determine the rate and the permeability. Many natural and synthetic materials thicker than a membrane are also semipermeable. One example of this is the thin film on the inside of an egg. An example of a semi-permeable membrane is the lipid bilayer, on which is based the plasma membrane that surrounds all biological cells. A group of phospholipids arranged into a double-layer, the phospholipid bilayer is a semipermeable membrane that is very specific in its permeability. The hydrophilic phosphate heads are in the outside layer and exposed to the water content outside and within the cell. The hydrophobic tails are the layer hidden in the inside of the membrane. The phospholipid bilayer is the most permeable to small, uncharged solutes. Protein channels float through the phospholipids, and, collectively, this model is known as the fluid mosaic model.
Matched Categories
Numerology
Chaldean Numerology
The numerical value of semipermeable membrane in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of semipermeable membrane in Pythagorean Numerology is: 5
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"semipermeable membrane." Definitions.net. STANDS4 LLC, 2024. Web. 26 May 2024. <https://www.definitions.net/definition/semipermeable+membrane>.
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