A-LevelBiologyCell membranes and transport9700/12 · Oct/Nov 2012 · Q151 Mark

Which role of the cell surface membrane is not a result of the properties of the phospholipids?

Ato allow cytokinesis to occur in mitotic cell division

Bto allow entry and exit of the water-soluble gases, oxygen and carbon dioxide

Cto allow phagocytosis of a bacterium into cells

Dto allow surface membranes to stabilise by binding with water molecules

✓ Correct answer

D: to allow surface membranes to stabilise by binding with water molecules

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Topic: Cell membranes and transport, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2012 Paper 1 Variant 2, question 15.

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