Biology 9700 · 2 Biological molecules
2.3 Proteins
Explain protein structure levels, bonding, and properties, comparing globular haemoglobin and fibrous collagen in relation to their biological functions.
- Questions
- 335
- Years
- 2003–2026
- Multiple choice
- 247
- Written answer
- 88
- Average marks
- 3.6
Practise biological molecules questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 01, 11, 12, 13, 14247
- Paper 2variants 02, 21, 22, 23, 2466
- Paper 4variants 41, 42, 4315
- Paper 5variants 51, 524
- Paper 3variants 31, 33, 353
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 3 | 15 | – | 18 |
| 2025 | – | 11 | 11 | 22 |
| 2023 | 4 | 12 | 6 | 22 |
| 2022 | 6 | 8 | 15 | 29 |
| 2021 | 2 | 10 | 12 | 24 |
| 2020 | 2 | 12 | 12 | 26 |
| 2019 | 3 | 9 | 13 | 25 |
| 2018 | 4 | 12 | 11 | 27 |
| 2017 | 4 | 10 | 13 | 27 |
| 2016 | 3 | 12 | 13 | 28 |
| 2015 | – | 16 | 10 | 26 |
| 2011 | – | 10 | – | 10 |
| 2010 | – | 6 | 4 | 10 |
| 2009 | – | 3 | 9 | 12 |
| 2008 | – | 1 | 3 | 4 |
| 2006 | – | 2 | 3 | 5 |
| 2005 | – | 4 | 4 | 8 |
| 2004 | – | 5 | 2 | 7 |
| 2003 | – | 1 | 4 | 5 |
