Biology 9700 · 6 Nucleic acids and protein synthesis
6.1 Structure of nucleic acids and replication of DNA
Describe nucleotide, DNA, and RNA structures, and explain semi-conservative DNA replication including the roles of DNA polymerase and ligase.
- Questions
- 262
- Years
- 2003–2026
- Multiple choice
- 220
- Written answer
- 42
- Average marks
- 2.4
Practise nucleic acids and protein synthesis questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 01, 11, 12, 13, 14220
- Paper 2variants 02, 21, 22, 23, 2437
- Paper 4variants 41, 42, 434
- Paper 6variants 061
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 4 | 15 | – | 19 |
| 2025 | – | 4 | 7 | 11 |
| 2023 | 5 | 8 | 9 | 22 |
| 2022 | 3 | 5 | 10 | 18 |
| 2021 | 4 | 9 | 6 | 19 |
| 2020 | 3 | 11 | 6 | 20 |
| 2019 | 2 | 11 | 9 | 22 |
| 2018 | 3 | 10 | 8 | 21 |
| 2017 | 4 | 11 | 9 | 24 |
| 2016 | 2 | 12 | 7 | 21 |
| 2015 | – | 10 | 7 | 17 |
| 2011 | – | 6 | – | 6 |
| 2010 | – | 7 | 11 | 18 |
| 2009 | – | 2 | 6 | 8 |
| 2008 | – | – | 1 | 1 |
| 2006 | – | 2 | 3 | 5 |
| 2005 | – | 2 | 2 | 4 |
| 2004 | – | 3 | 1 | 4 |
| 2003 | – | 1 | 1 | 2 |
