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CIE AS Biology Revision Notes

Concise resources for the CIE AS Biology course.

Syllabus Edition

First teaching 2023

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First exams 2025

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1. Cell Structure

2. Biological Molecules

3. Enzymes

4. Cell Membranes & Transport

5. The Mitotic Cell Cycle

6. Nucleic Acids & Protein Synthesis

7. Transport in Plants

8. Transport in Mammals

9. Gas Exchange

10. Infectious Diseases

11. Immunity