Biology 9700 · AS & A Level · Fluid mosaic membranes

Fluid mosaic membranes — practice question

As the weather becomes colder, the cell surface membranes of plants adapted to cold conditions alter, enabling the plants to perform exocytosis. Which change takes place?

  • Aa decrease in the ratio of proteins to saturated phospholipids
  • Ba decrease in the ratio of unsaturated phospholipids to saturated phospholipids
  • Can increase in the ratio of proteins to unsaturated phospholipids
  • Dan increase in the ratio of unsaturated phospholipids to saturated phospholipids

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