Biology 9700 · 4 Cell membranes and transport
4.1 Fluid mosaic membranes
Describe the fluid mosaic model, membrane component roles in stability and transport, and the key stages of cell signalling pathways.
- Questions
- 216
- Years
- 2002–2026
- Multiple choice
- 148
- Written answer
- 68
- Average marks
- 4
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Where this subtopic appears
- Paper 1variants 01, 11, 12, 13, 14148
- Paper 2variants 02, 21, 22, 2342
- Paper 4variants 41, 42, 4320
- Paper 3variants 31, 34, 35, 384
- Paper 5variants 522
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 5 | 10 | – | 15 |
| 2025 | – | 4 | 7 | 11 |
| 2023 | 2 | 8 | 8 | 18 |
| 2022 | 1 | 9 | 5 | 15 |
| 2021 | 3 | 8 | 9 | 20 |
| 2020 | 2 | 8 | 3 | 13 |
| 2019 | 4 | 11 | 11 | 26 |
| 2018 | 3 | 8 | 8 | 19 |
| 2017 | 5 | 9 | 9 | 23 |
| 2016 | 2 | 9 | 9 | 20 |
| 2015 | – | 11 | 4 | 15 |
| 2011 | – | 4 | – | 4 |
| 2010 | – | – | 4 | 4 |
| 2009 | – | 1 | 1 | 2 |
| 2008 | – | – | 2 | 2 |
| 2006 | – | 1 | 1 | 2 |
| 2005 | – | 1 | – | 1 |
| 2004 | – | 1 | 1 | 2 |
| 2003 | – | 1 | 2 | 3 |
| 2002 | – | 1 | – | 1 |
