A-LevelBiologyThe mitotic cell cycleMay/June 2022Paper 1 Q191 Mark
The nucleus of a mouse body cell in G₁ phase of the cell cycle has 1.2 × 10⁻¹² g of DNA. What will be the mass of DNA in the nucleus of the cell at the end of S phase and at the end of G₂ phase of the cell cycle?
A1.2 × 10⁻¹² g
1.2 x 10⁻¹² g
B1.2 x 10⁻¹² g
2.4 × 10⁻¹² g
C2.4 x 10⁻¹² g
1.2 x 10⁻¹² g
D2.4 x 10⁻¹² g
2.4 x 10⁻¹² g
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The correct answer is D. 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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