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

Movement into and out of cells — practice question

Which of the processes that move substances across cell surface membranes requires energy?

  • A1, 2 and 3 only
  • B1, 2 and 4 only
  • C1, 3 and 4 only
  • D2, 3 and 4 only

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