A-LevelBiologyThe mitotic cell cycleMay/June 2019Paper 1 Q151 Mark

Three parts of a chromosome and their functions are listed. part function P1 centromere F1 holds the coils of DNA together P2 histone proteins F2 holds two chromatids together P3 telomere F3 prevents loss of genes Which part is matched with its correct function?

Q: What is the correct answer to this A-Level Biology question?

The correct answer is B: P2 and F1.

Q: What topic does this question test?

This question tests The mitotic cell cycle in A-Level Biology (syllabus code 9700). It is worth 1 mark.

AP1 and F1

BP2 and F1

CP2 and F3

DP3 and F2

✓ Correct Answer

The correct answer is B: P2 and F1

📋 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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About This A-Level Biology Question

Topic

This multiple-choice question tests The mitotic cell cycle in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Biology May/June 2019 examination, Paper 1 Variant 2.

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