A-LevelBiologyCell membranes and transportMay/June 2012Paper 1 Q141 Mark
What is the role of cholesterol in the cell surface membrane?
Ato assist active transport
Bto assist facilitated diffusion
Cto provide hydrophilic channels
Dto regulate fluidity of the membrane
✓ 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...
📋 Examiner Report & Trap Analysis
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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