A-LevelBiologyCell membranes and transportOct/Nov 2023Paper 1 Q151 Mark
Which component of cell surface membranes helps to reduce fluidity of the phospholipids at high temperatures?
Aphosphate groups
Bunsaturated fatty acids
Ccholesterol
Dproteins
✓ Correct Answer
The correct answer is C. 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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