Describe diffusion using the words concentration and concentration gradient.
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Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. The bigger the concentration gradient, the faster the rate of diffusion is.

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.