Apedia

A-Level Biology OCR A

Water Casparian Describe Function Strip Blocks Apoplast Pathway

Front Describe the function of the Casparian strip.
Back Casparian strip:
  • Blocks apoplast pathway and forces it into cytoplasm of the cell, joining water in symplast
  • Water must pass thru selectively permeable CSM - prevents potentially toxic solutes in soil water from entering living tissues

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