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WordNet-Online
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Definitions from the WebFacilitated DiffusionDescription:Facilitated diffusion refers to the process in which specific molecules or ions are transported across a cell membrane with the help of carrier proteins. Unlike passive diffusion, facilitated diffusion requires the assistance of these specialized proteins to move substances across the cell membrane. Senses and Usages:Sense 1: BiologyIn biology, facilitated diffusion is a vital process that allows for the movement of polar or charged molecules across the cell membrane, from an area of higher concentration to an area of lower concentration. This mechanism ensures the transportation of essential nutrients and ions necessary for cell functions. Example Sentence: Without facilitated diffusion, the uptake of glucose into cells would be significantly impaired, affecting cellular energy production. Sense 2: MedicineIn the medical field, facilitated diffusion is often a target for drugs and treatments aiming to control the flow of substances across cell membranes. By influencing the activity of carrier proteins, medical professionals can regulate the movement of specific molecules in the body. Example Sentence: Certain medications work by inhibiting facilitated diffusion, ultimately preventing harmful substances from entering the cells. Sense 3: ChemistryIn chemistry, facilitated diffusion can also refer to similar processes occurring in other mediums, such as the movement of molecules across a liquid or gas phase, facilitated by a catalyst or a carrier molecule. Example Sentence: The facilitated diffusion of gases through a catalyst is an essential concept in industrial processes like catalytic converters. Related Products:To explore more about facilitated diffusion and related topics, consider checking out the following products on Amazon: | ||||
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