Biology 9700 · AS & A Level · Fluid mosaic membranes

Fluid mosaic membranes — practice question

The diagram illustrates a cell surface membrane. Which option gives a correct function of a labelled molecule?

  • AW is involved in controlling membrane stability.
  • BX is involved in active transport.
  • CY is involved in cell signalling.
  • DZ is involved in diffusion of ions.

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