In cellular biology, membrane transport refers to the collection of mechanisms that regulate the passage of solutes such as ions and small molecules through...
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A membrane transport protein is a membrane protein involved in the movement of ions, small molecules, and macromolecules, such as another protein, across...
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a cell membrane from a region of lower concentration to a region of higher concentration—against the concentration gradient. Active transport requires...
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Passive transport is a type of membrane transport that does not require energy to move substances across cell membranes. Instead of using cellular energy...
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cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that...
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membrane. Many of the enzymes in the electron transport chain are embedded within the membrane. The flow of electrons through the electron transport chain...
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Catecholamine (redirect from Catecholamine plasma membrane transport proteins)
cell and monoamine oxidase (MAO) which is located in the mitochondrial membrane. Both enzymes require cofactors: COMT uses Mg2+ as a cofactor while MAO...
20 KB (2,075 words) - 08:55, 17 July 2024
Biological membranes are selectively permeable, with the passage of molecules controlled by facilitated diffusion, passive transport or active transport regulated...
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biological membrane. Carrier proteins are integral membrane proteins; that is, they exist within and span the membrane across which they transport substances...
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Mitochondrial membrane transport proteins, also known as mitochondrial carrier proteins, are proteins which exist in the membranes of mitochondria. They...
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Membrane potential (also transmembrane potential or membrane voltage) is the difference in electric potential between the interior and the exterior of...
64 KB (8,195 words) - 01:06, 20 August 2024
Mediated transport refers to transport mediated by a membrane transport protein. Substances in the human body may be hydrophobic, electrophilic, contain...
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Dopamine transporter (redirect from Dopamine plasma membrane transport proteins)
also shown that transport rate and direction is totally dependent on the sodium gradient. Because of the tight coupling of the membrane potential and the...
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Endosome (redirect from Endosomal membrane)
endocytic membrane transport pathway originating from the trans Golgi network. Molecules or ligands internalized from the plasma membrane can follow...
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Endomembrane system (redirect from Internal membrane system)
of membranes that forms a single functional and developmental unit, either being connected directly, or exchanging material through vesicle transport. Importantly...
41 KB (4,771 words) - 07:44, 7 July 2024
A biological membrane, biomembrane or cell membrane is a selectively permeable membrane that separates the interior of a cell from the external environment...
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5-HT receptor (redirect from Serotonin plasma membrane transport proteins)
Excitatory 5-HT3 Ligand-gated Na+ and K+ cation channel. Depolarizing plasma membrane. Excitatory 5-HT4 Gs-protein coupled. Increasing cellular levels of cAMP...
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particles. Membranes can be generally classified into synthetic membranes and biological membranes. Biological membranes include cell membranes (outer coverings...
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transport glucose across the apical membrane, against an uphill glucose gradient. These co-transporters are an example of secondary active transport....
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Thyroid hormones (section Membrane transport)
this process are as follows: The Na+/I− symporter transports two sodium ions across the basement membrane of the follicular cells along with an iodide ion...
56 KB (5,790 words) - 03:57, 29 July 2024
A vesicular transport protein, or vesicular transporter, is a membrane protein that regulates or facilitates the movement of specific molecules across...
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Exocytosis (category Membrane biology)
cell membrane by passive means. Exocytosis is the process by which a large amount of molecules are released; thus it is a form of bulk transport. Exocytosis...
15 KB (1,782 words) - 22:44, 19 August 2024
penetrate any biological membrane due to their negative charge. Free fatty acids must cross the cell membrane through specific transport proteins, such as the...
32 KB (3,377 words) - 16:32, 17 August 2024
acid sequence, the NET transporter consists of 617 amino acids with 12 membrane-spanning domains. The structural organization of NET is highly homologous...
31 KB (3,397 words) - 02:14, 21 December 2023
Rhoades, Rodney A.; Bell, David R. (2012). "Plasma membrane. membrane transport, and resting membrane potential". Medical physiology : principles for clinical...
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Membrane technology covers all engineering approaches for the transport of substances between two fractions with the help of semi-permeable membranes...
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Reverse transport, or transporter reversal, is a phenomenon in which the substrates of a membrane transport protein are moved in the opposite direction...
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Resting potential (redirect from Resting membrane potential)
relatively static membrane potential which is usually referred to as the ground value for trans-membrane voltage. The relatively static membrane potential of...
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Red blood cell (redirect from Erythrocyte membrane)
others. These membrane proteins can perform a wide diversity of functions, such as transporting ions and molecules across the red cell membrane, adhesion...
64 KB (7,850 words) - 06:41, 20 July 2024
Nuclear envelope (redirect from Inner nuclear membrane)
consists of two lipid bilayer membranes: an inner nuclear membrane and an outer nuclear membrane. The space between the membranes is called the perinuclear...
18 KB (2,035 words) - 12:10, 30 June 2024