A-LevelBiologyThe mitotic cell cycleMay/June 2018Paper 1 Q181 Mark
One of the chromosomes in a nucleus has a telomere which contains many repeats of the base sequence TTAGGG. This chromosome was extracted from four different cells and the total number of bases in the telomere was determined. Which total number of bases was found in the cell that had undergone the most mitotic divisions?
A5548
B5580
C5645
D5700
✓ 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...
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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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