Concentration Gradient

What Does Concentration Gradient Mean?

In gardening, the concentration gradient refers to a graduated difference in the concentration of a solute per unit distance. While an active transport of nutrients and minerals does require a certain energy input, these can also be transported throughout the plant against their concentration gradient. Nutrients are absorbed by the roots before being transported and distributed through the xylem vessels.


Maximum Yield Explains Concentration Gradient

Osmosis works across a concentration gradient, whereby liquid is transferred from a dilute mixture of sugars and salts, traveling through a semi-permeable membrane before reaching a solution with a far higher concentration. Plants usually contain higher concentrations of sugars and salts than their surroundings. As a result, the water is easily drawn inside since both the cytoplasm and cell membrane act as the plant’s semi-permeable membrane.

Various environmental and intrinsic factors can influence this nutrient uptake, including temperature, light, pH level, as well as the interaction between the nutrients. In Passive-Mediated Glucose transport, no energy is needed for the molecule to pass through the concentration gradient.


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