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

Movement into and out of cells — practice question

Which row correctly shows whether growing leaves function as sources or sinks for amino acids and sucrose?

  • Aamino acids: leaves act as sinks only; sucrose: leaves can act as sources or sinks
  • Bamino acids: leaves act as sinks only; sucrose: leaves act as sources only
  • Camino acids: leaves can act as sources or sinks; sucrose: leaves act as sources only
  • Damino acids: leaves can act as sources or sinks; sucrose: leaves can act as sources or sinks

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