A-LevelBiologyThe mitotic cell cycleOct/Nov 2017Paper 1 Q211 Mark

Cancer cells may divide by far more divisions than other cells found in humans. Which statement about cancer cells is correct?

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.

AThey are able to synthesise the enzyme telomerase.

BThey have a mutation in the telomeres so DNA is not hydrolysed.

CThey have DNA polymerase so can replicate their DNA without telomere loss.

DThey increase the number of copies of repeated DNA sequences in the telomeres.

✓ Correct Answer

The correct answer is A: They are able to synthesise the enzyme telomerase.

📋 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 Oct/Nov 2017 examination, Paper 1 Variant 2.

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