A-LevelBiologyThe mitotic cell cycleMay/June 2013Paper 1 Q211 Mark
Which features of mitosis ensure that the genetic constitution of the cell is maintained? 1 the position of the chromosomes on the equator of the spindle 2 the longitudinal division of the centromeres 3 the DNA of the parent cells replicates before mitosis begins 4 the pulling apart of the chromatids to opposite poles
A1, 2 and 3 only
B1, 2 and 4 only
C2, 3 and 4 only
D1, 2, 3 and 4
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The correct answer is C. 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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