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Active Endodermal Xylem Water Transport Cells Potential Pressure

Endodermal cells actively transport mineral ions into the xylem, lowering xylem water potential, causing water to move in by osmosis, creating hydrostatic pressure that contributes to root pressure.

Las células endodérmicas mueven iones minerales al xilema por transporte activo, reduciendo el potencial hídrico del xilema y haciendo que el agua se mueva por ósmosis, creando una presión hidrostática que contribuye a la presión radicular.

Front Explain the role of active transport by endodermal cells for the movement of water.
Back Endodermal cell active transport:
  • They move mineral ions into xylem by active transport
  • This means xylem cells water potential is lower than endodermal cell water potential
  • Water mols follow minerals by osmosis creating higher hydrostatic pressure in root xylem
  • This push - root pressure that contributes to mass flow of water thru plant

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