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Passive Transport - Definition and Examples | Biology Dictionary
https://biologydictionary.net/passive-transport/
WebApr 25, 2020 · Passive transport, also known as passive diffusion, is a process by which an ion or molecule passes through a cell wall via a concentration gradient, or from an area of high concentration to an area of low concentration. It’s like moving from the train to the platform of a subway station, or stepping out of a crowded room.
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Passive transport - Wikipedia
https://en.wikipedia.org/wiki/Passive_transport
WebPassive transport is a type of membrane transport that does not require energy to move substances across cell membranes. [1] [2] Instead of using cellular energy , like active transport , [3] passive transport relies on the second law of thermodynamics to drive the movement of substances across cell membranes.
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Simple diffusion and passive transport (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/cell-structure-and-function/facilitated-diffusion/a/diffusion-and-passive-transport
WebThe simplest forms of transport across a membrane are passive. Passive transport does not require the cell to expend any energy and involves a substance diffusing down its concentration gradient across a membrane.
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Passive transport review (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/cell-structure-and-function/membrane-transport/a/hs-passive-transport-review
WebPassive transport: Type of transport that does not require energy to occur: Concentration gradient: A region of space over which the concentration of a substance changes: Permeability: The quality of a membrane that allows substances to pass through it: Equilibrium: The state at which a substance is equally distributed …
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Passive transport and selective permeability - Khan Academy
https://www.khanacademy.org/science/ap-biology/cell-structure-and-function/membrane-transport/v/passive-transport-and-selective-permeability
WebPassive transport describes the movement of substances across a cell membrane down their concentration gradients, which does not require energy. Cell membranes are selectively permeable, so only certain substances can passively diffuse directly across the …
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Passive transport Definition and Examples - Biology Online
https://www.biologyonline.com/dictionary/passive-transport
WebJun 16, 2022 · Passive transport is a type of cellular transport in which substances such as ions and molecules move down their respective concentration gradients. It means that the substance tends to move from an area of higher concentration to an …
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5.4: Passive Transport Across Membranes - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Map%3A_Raven_Biology_12th_Edition/05%3A_Membranes/5.04%3A_Passive_Transport_Across_Membranes
WebPassive transport is a naturally occurring phenomenon and does not require the cell to expend energy to accomplish the movement. In passive transport, substances move from an area of higher concentration to an area of lower concentration in …
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9.3: Passive Transport - Biology LibreTexts
https://bio.libretexts.org/Courses/Lumen_Learning/Fundamentals_of_Biology_II_(Lumen)/09%3A_Module_6-_Structure_and_Function_of_Plasma_Membrane/9.03%3A_Passive_Transport
WebJul 31, 2022 · Passive transport is a naturally occurring phenomenon and does not require the cell to expend energy to accomplish the movement. In passive transport, substances move from an area of higher concentration to an area of lower concentration in a process called diffusion.
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5.2 Passive Transport - Biology 2e | OpenStax
https://openstax.org/books/biology-2e/pages/5-2-passive-transport
WebPassive transport is a naturally occurring phenomenon and does not require the cell to exert any of its energy to accomplish the movement. In passive transport, substances move from an area of higher concentration to an area of lower concentration.
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Introduction to passive and active transport - Khan Academy
https://www.khanacademy.org/science/ap-biology/cell-structure-and-function/membrane-transport/v/introduction-to-passive-and-active-transport
WebWhat does passive transport do? •. ( 8 votes) Upvote. Downvote. Flag. Noah Atcha. 4 years ago. Passive transport are processes such as diffusion and osmosis, where energy is NOT required, as the substance moves across the concentration gradient, meaning it moves from a high concentration to a low concentration. ( 20 votes) Upvote. Downvote. …
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