diffusion definition simple
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diffusion diffusion - (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration. natural philosophy, physics - the science of matter and energy and their interactions; his favorite subject was physics.
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Facilitated diffusion Facilitated diffusion. Definition. noun. Transport of substances across a biological membrane from an area of higher concentration to an area of lower concentration by means of a carrier molecule. Since the substances move along the direction of their concentration gradients, energy is not required.Supplement.arger molecules are transported by transmembrane carrier proteins, such as permeases that change their conformation as the molecules are carried through, for example glucose or amino acids. Also called: facilitated transport. Compare: active transport. See also: passive transport, diffusion, carrier protein.
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Difference Between Simple Diffusion and Facilitated Diffusion by olivia. Simple Diffusion vs Facilitated Diffusion. In cell biology, diffusion refers to passive transport and it is the net movement of particles from an area of high concentration to an area of low concentration. When molecules are evenly spread across a cell, it is called equilibrium.n cell biology, diffusion refers to passive transport and it is the net movement of particles from an area of high concentration to an area of low concentration. When molecules are evenly spread across a cell, it is called equilibrium.
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Test Bank Of Essentials of Anatomy And Physiology 7th Edition by Martini Bartholomew Diffusion. Dissolved substances have to pass through the cell membrane to get into or out of a cell. Diffusion is one of the processes that allows this to happen. Diffusion diffusion: The movement of particles (molecules or ions) from an area of higher concentration to an area of lower concentration occurs when particles spread. They move from a region where they are in high concentration to a region where they are in low concentration. Diffusion happens when the particles are free to move. This is true in gases and for particles dissolved in solutions. Particles diffuse down a concentration gradient, from an area of high concentration to an area of low concentration.
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diffusion diffusion (di·fyōōˑ·zhn), 1  n the tendency of molecules within a gas or liquid to move from an area of higher concentration to one with lower concentration. 2  1. Scattering of light passing through a heterogeneous medium, or being reflected irregularly by a surface, such as a sandblasted opal glass surface.
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In and Out of Cells Very few particles travel the opposite way. The result is a concentration gradient with particles diffusing from an area of high concentration to an area of low concentration. Diffusion occurs in gases and with any substance in a solution.Therefore we can say that the definition of diffusion is as follows: Diffusion: The movement of particles from an area of high concentration to an area of low concentration until they spread out evenly. There are two important rules to remember.1  The larger the particles the slower the rate of diffusion.ery few particles travel the opposite way. The result is a concentration gradient with particles diffusing from an area of high concentration to an area of low concentration. Diffusion occurs in gases and with any substance in a solution.
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diffusion the mutual penetration of adjoining substances because of the thermal motion of their particles. Diffusion occurs in the direction of decreasing concentration of a substance and leads to a uniform distribution of matter over the entire volume it occupies (to the equalization of the chemical potential of matter).
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diffusion In the process of diffusion of a single solute, a concentration of molecules on one side of a membrane (top) will move through a membrane (center) until there is equilibrium on both sides (bottom). (dĭ-fyo͞o′zhən)
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Diffusion (business) Diffusion (business) Diffusion is the process by which a new idea or new product is accepted by the market. The rate of diffusion is the speed with which the new idea spreads from one consumer to the next.
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diffusion 1. diffusion - (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration. natural philosophy, physics-the science of matter and energy and their interactions; his favorite subject was physics.
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Introduction In the process of diffusion, a substance tends to move from an area of high concentration to an area of low concentration until its concentration becomes equal throughout a space. For example, think about someone opening a bottle of cleaning ammonia in the middle of a room.
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Cell Membrane Definitions Facilitated diffusion. Definition. noun. Transport of substances across a biological membrane from an area of higher concentration to an area of lower concentration by means of a carrier molecule. Since the substances move along the direction of their concentration gradients, energy is not required.
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Diffusion In the phenomenological approach, diffusion is the movement of a substance from a region of high concentration to a region of low concentration without bulk motion. According to Fick's laws, the diffusion flux is proportional to the negative gradient of concentrations.his is also referred to as the movement of a substance down a concentration gradient. A gradient is the change in the value of a quantity (e.g., concentration, pressure, temperature) with the change in another variable (usually distance).
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- Diffusion is the chemical & biological process when molecules from a material move from an area of high concentration (where there are lots of molecules) to an area of low concentration (where there are fewer molecules).
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Diffusion Diffusion is the net movement of a substance (liquid or gas) from an area of higher concentration to one of lower concentration. You are on a large (10 ft x 10 ft x10 ft) elevator. An obnoxious individual with a lit cigar gets on at the third floor with the cigar still burning.
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What Kinds of Molecules Can Pass through the Plasma Membrane through Simple Diffusion? Simple Diffusion. Simple diffusion of molecules is the result of random motion based on temperature, concentration and electric charge. Molecules diffuse down a gradient, from an area of high concentration to one with a lower concentration of the molecule.
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- Answers. FACILITATED DIFFUSION. In facilitated diffusion, substances move into or out of cells down their concentration gradient through protein channels in the cell membrane. Simple diffusion and facilitated diffusion are similar in that both involve movement down the concentration gradient.ACILITATED DIFFUSION. In facilitated diffusion, substances move into or out of cells down their concentration gradient through protein channels in the cell membrane. Simple diffusion and facilitated diffusion are similar in that both involve movement down the concentration gradient.
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How Does Diffusion Work? A: Diffusion is the result of the random thermal movement of molecules, and it involves molecules spreading from regions of high concentration into regions of low concentration. The three types of diffusion are simple, channel and facilitated diffusion.
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Diffusion Diffusion. Dissolved substances have to pass through the cell membrane to get into or out of a cell. Diffusion is one of the processes that allows this to happen.Diffusion diffusion: The movement of particles (molecules or ions) from an area of higher concentration to an area of lower concentration occurs when particles spread.They move from a region where they are in high concentration to a region where they are in low concentration.Diffusion happens when the particles are free to move. This is true in gases and for particles dissolved in solutions.Particles diffuse down a concentration gradient, from an area of high concentration to an area of low concentration.iffusion. Dissolved substances have to pass through the cell membrane to get into or out of a cell. Diffusion is one of the processes that allows this to happen.
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Passive transport Simple diffusion and osmosis are in some ways similar. Simple diffusion is the passive movement of solute from a high concentration to a lower concentration until the concentration of the solute is uniform throughout and reaches equilibrium.
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Diffusion 474 pages on this wiki. Diffusion is the net movement of a substance from an area of high concentration to an area of low concentration.This difference in concentration is called the concentration gradient. Concentration gradient-A greater concentration gradient will mean the rate of diffusion increases. 2  This concentration gradient is kept large by removing the substance as it moves across the place where it diffuses.
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THE CHEMISTRY OF MILK Diffusion and Osmosis. Diffusion. -the process by which molecules spread from areas of high concentration, to areas of low concentration. When the molecules are even throughout a space - it is called EQUILIBRIUM. Concentration gradient - a difference between concentrations in a space.
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What is the definition of diffusion? Diffusion. Physics and Chemistry. Diffusion is the movement of particles from an area of high concentration to an area of low concentration. Diffusion is not to be confused with osmosis, which is the movement of water through a semi-permeable membrane.
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- Physics and Chemistry. Diffusion is the movement of particles from an area of high concentration to an area of low concentration. Diffusion is not to be confused with osmosis, which is the movement of water through a semi-permeable membrane.
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Diffusion Examples Diffusion. Diffusion is the spreading of a substance from one point of concentration to a lesser concentrated point. Anything can diffuse, from the tiniest molecules to an entire population. Scientifically, though, the term diffusion refers to particles of some size or nature that spread out in liquid, gas, or air.The term concentration gradient is also important when talking about diffusion, since it explains why diffusion occurs.Substances naturally flow into areas where there is a lower concentration of their substance in order to have more room to move. Examples of Diffusion: 1.he term concentration gradient is also important when talking about diffusion, since it explains why diffusion occurs. Substances naturally flow into areas where there is a lower concentration of their substance in order to have more room to move. Examples of Diffusion: 1.
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Diffusion Definition in Chemistry Diffusion Definition. Diffusion is the movement of a fluid from an area of higher concentration to an area of lower concentration. Diffusion is a result of the kinetic properties of particles of matter. The particles will mix until they are evenly distributed. Diffusion Examples.