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

Movement into and out of cells — practice question

At 12:00 p.m., which row correctly shows the sucrose concentrations and the water potentials in a source and a sink in a potato plant?

  • Asucrose concentration: source higher, sink lower; water potential: source higher, sink lower
  • Bsucrose concentration: source higher, sink lower; water potential: source lower, sink higher
  • Csucrose concentration: source lower, sink higher; water potential: source higher, sink lower
  • Dsucrose concentration: source lower, sink higher; water potential: source lower, sink higher

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