Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

Which statement is correct about a Casparian strip?

  • Alocation: cell wall of cortical cell; formed from: lignin; effect: closes symplastic pathway
  • Blocation: cell wall of endodermis cell; formed from: suberin; effect: closes apoplastic pathway
  • Clocation: cytoplasm of cortical cell; formed from: lignin; effect: closes apoplastic pathway
  • Dlocation: cytoplasm of endodermis cell; formed from: suberin; effect: closes symplastic pathway

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