A-LevelBiologyThe mitotic cell cycleMay/June 2013Paper 1 Q191 Mark
Chromosome telomeres are essential for DNA replication and are not completely replicated during mitosis. A substance X is known that completely replaces telomeres during mitosis. What will be the effect of growing cells with and without substance X?
Acells divide continually cell division eventually slows and stops
Bcells divide more rapidly cells divide continually
Ccell division eventually slows and stops cell division stops immediately
Dcell division stops immediately cells divide continually
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of the mitotic cell cycle 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...
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