what is active absorption
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Mineral nutrients are absorbed actively by the root cells due to utilisation of adenosine triphosphate (ATP). As a result, the concentration of ions (osmotica) in the xylem vessels is more in comparison to the soil water. A concentration gradient is established between the root and the soil water.
Mineral nutrients are absorbed actively by the root cells due to utilisation of adenosine triphosphate (ATP). As a result, the concentration of ions (osmotica) in the xylem vessels is more in comparison to the soil water. A concentration gradient is established between the root and the soil water.
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In active water absorption of water, plant’s root hair cells absorb the water from the roots even when the rate of transpiration is low. This water id conducted and then distributed to the whole plant, eventually reaching the leaves. ATP is used in active transport to pump molecules against the concentration gradient, from the area of low of solute to high concentration of solute. This process requires cellular energy. In active transport, particles like proteins, large cells, ions and sugar are transported. Types of active transport are endocytosis, exocytosis, cell membrane/sodium-potassium pump. It transports molecule through cell membrane against the concentration gradient so that more nutrient enters the cell.
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