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BIOLOGY TOPIC 9 PLANT BIOLOGY (HL)
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Pregunta:
Why does the sap solution being hypertonic cause water to be drawn up? what does this cause?(4)
Autor: Sammy UniverseRespuesta:
Water is drawn up by the xylem bec the water moves to the higher solute concentrations bec water is incompressible = hydrostatic p in phloem increases forces phloem sap to move to areas with lower pressure (mass flow) = solutes are transported away from source to the sink
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