Skip to main content
A-LevelBiologyBiological moleculesOct/Nov 2020Paper 1 Q111 Mark

Which row correctly identifies structural features of a collagen molecule and a haemoglobin molecule? [Figure 11.1]

Amolecule consists of more than one polypeptide: collagen and haemoglobin, globular protein: collagen and haemoglobin
Bmolecule consists of more than one polypeptide: collagen and haemoglobin, globular protein: haemoglobin only
Cmolecule consists of more than one polypeptide: haemoglobin only, globular protein: collagen and haemoglobin
Dmolecule consists of more than one polypeptide: haemoglobin only, globular protein: haemoglobin only

✓ Correct Answer

The correct answer is B. This question tests the candidate's understanding of biological molecules 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...

🔒

Unlock the Examiner's Answer

Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.

Sign Up Free to Unlock →

Join thousands of Cambridge students already using Oracle Prep

About This A-Level Biology Question

This multiple-choice question appeared in the Cambridge A-Level Biology (9700) Oct/Nov 2020 examination, Paper 1 Variant 2. It tests the topic of Biological molecules and is worth 1 mark.

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.

© 2026 Oracle Prep — The AI-Powered Cambridge Exam Engine