A-LevelBiologyCell membranes and transportOct/Nov 2013Paper 1 Q151 Mark
Which statements are descriptions of both facilitated diffusion and active transport? 1 moves substances against a concentration gradient 2 requires ATP 3 transports charged ions across the cell surface membrane 4 uses proteins
A1, 2, 3 and 4
B1, 2 and 4 only
C2 and 3 only
D3 and 4 only
✓ 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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