What does it mean to move down the concentration gradient?

“Down” a concentration gradient means from high concentration to low concentration – this is the direction things would move via simple diffusion. Moving against a concentration gradient means that the substance is moving from a low concentration to a high concentration.Click to see full answer. Simply so, do molecules move down or against their concentration gradient?Molecules (or ions) will spread/diffuse from where they are more concentrated to where they are less concentrated until they are equally distributed in that space. (When molecules move in this way, they are said to move down their concentration gradient.)Secondly, what is a concentration gradient in diffusion? About Transcript. A concentration gradient occurs when the concentration of particles is higher in one area than another. In passive transport, particles will diffuse down a concentration gradient, from areas of higher concentration to areas of lower concentration, until they are evenly spaced. Similarly, why do particles move down a concentration gradient? The kinetic energy of the molecules results in random motion, causing diffusion. it is the random motion of the molecules that causes them to move from an area of high concentration to an area with a lower concentration. Diffusion will continue until the concentration gradient has been eliminated.What is an example of a concentration gradient?In a solution or gas that has an area of high numbers of particles and an area of low numbers of particles, the particles will diffuse or move from the area of higher to the area of lower concentration. A common example of this is a cup of water that you drop food coloring into.

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