A-LevelBiologyCell structureOct/Nov 2015Paper 1 Q51 Mark
Radioactively-labelled amino acids were introduced into a tracheal cell that uses them to make mucus (a glycoprotein). [Figure 5.1] What route will the amino acids take?
A1 2 3 4
B1 4 3 2
C4 1 2 3
D4 3 2 1
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of cell structure 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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