1. Cell Structure…………………………………………………… 5
2. Biological Molecules………………………………………… 22
3. Enzymes……………………………………………………….. 40
4 .Cell Membranes and Transport…………………………… 53
5. The Mitotic Cell Cycle……………………………………….. 65
6. Nucleic Acids and Protein Synthesis……………………. 75
7. Transport in Plants………………………………………….. 89
8. Transport in Mammals……………………………………. 106
9. Gas Exchange and Smoking…………………………….. 122
10. Infectious Disease……………………………………….. 131
11. Immunity…………………………………………………… 146
CAIE Syllabus Contents 2019-2022……………………….. 166