A-LevelBiologyCell membranes and transportFeb/Mar 2017Paper 1 Q181 Mark
The cell surface membrane structure is described as a 'fluid mosaic'. Which statement describes the 'mosaic' part of the cell surface membrane?
Athe different patterns that are obtained by the moving phospholipid molecules
Bthe random distribution of cholesterol molecules within the phospholipid bilayer
Cthe regular pattern produced by the phospholipid heads and membrane proteins
Dthe scattering of the different proteins within the phospholipid bilayer
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of cell membranes and transport within the Biologysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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