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concentration gradientA regular increase of decrease in the intensity or density of a chemical substance. Cells often maintain concentration gradients of H+ ions across their membranes. When a gradient exists, the ions or [..]
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concentration gradientThe difference in concentration in two parts of a system. concentricycloidea
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concentration gradientVariation of the concentration of a substance within a region. Molecules and ions tend to move down the concentration gradient from areas of high concentration to areas of low concentration. See Figure 3.2.
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concentration gradientThe gradual difference in concentration of a substance. This is especially important for dictating diffusion – molecules will naturally diffuse down their concentration gradient.
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concentration gradientThe change in concentration from one point to another. This is the "force" driving diffusion.
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