A-LevelBiologyThe mitotic cell cycle9700/12 · May/June 2022 · 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

✓ Correct answer

D: 2.4 x 10⁻¹² g 2.4 x 10⁻¹² g

Oracle Prep sorts past-paper questions by topic, so you can drill The mitotic cell cycle and see which topics are most likely to come up next.

Topic: The mitotic cell cycle, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2022 Paper 1 Variant 2, question 19.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content