A-LevelBiologyCell structureFeb/Mar 2024Paper 1 Q41 Mark
When mucus is secreted from a goblet cell, these events take place. 1 addition of carbohydrate to protein 2 fusion of a vesicle with the cell surface membrane 3 extracellular release of a glycoprotein 4 separation of a vesicle from the Golgi body What is the sequence in which these events take place?
A1→4→2→3
B1→4→3→2
C4→1→2→3
D4→1→3→2
✓ Correct Answer
The correct answer is A: 1→4→2→3
📋 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...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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