A-LevelBiologyCell membranes and transportFeb/Mar 2023Paper 1 Q101 Mark

The diagram represents a molecule from a cell surface membrane. [Figure 10.1] Which description of one of the labels is correct?

Q: What topic does this question test?

This question tests Cell membranes and transport in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Afatty acid at the hydrophilic end of the molecule

Bhydrophobic end of the triglyceride molecule

Chydrophobic end of the glycerol molecule

Dphosphate group at the hydrophilic end of the molecule

✓ Correct Answer

The correct answer is D: phosphate group at the hydrophilic end of the molecule

📋 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.

🔒

Unlock the Examiner's Analysis

Join thousands of Cambridge students already using Oracle Prep

About This A-Level Biology Question

Topic

This multiple-choice question tests Cell membranes and transport in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Biology Feb/Mar 2023 examination, Paper 1 Variant 2.

Practice on Oracle Prep

Oracle Prep provides AI-powered practice for all Cambridge O-Level and A-Level subjects. Our platform includes topic predictions with 87.7% accuracy, AI essay grading, and a comprehensive question bank spanning 25 years of past papers across 29 subjects.