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

Movement into and out of cells — practice question

The diagram shows a section of the phloem pathway, including neighbouring cells, extending from leaf to root. Which process is taking place between 1 to 2 and what effect does it have on the water potential at 2?

  • Aactive transport of sucrose - becomes less negative
  • Bactive transport of sucrose - becomes more negative
  • Cdiffusion of sucrose - becomes less negative
  • Ddiffusion of sucrose - becomes more negative

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