End of Topic Test - Biological Membranes

Biology: Cambridge International A Level, topic 4.1.3

Test yourself on End of Topic Test - Biological Membranes

  • In which cell type is cholesterol found in the plasma membrane?

  • What effect would increasing temperature have on the permeability of the plasma membrane?

  • Is the following statement true or false?

    "Diffusion requires the input of energy."

  • "During facillitated diffusion, the membrane protein changes shape to help transport the molecule across the bilayer."

    Which type of transport protein does this statement refer to?

  • "During osmosis, water molecules only move in one direction across the bilayer: from a high water potential to a low water potential."

    Is this statement true or false?

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