Chemistry 9701/21 Oct Nov 2022 | Cambridge AS Level Past Papers With Mark Scheme
1. Polymers: amylopectin, cellulose, RNA, polypeptides; glycosidic bonds, nitrogen, animal/plant cells, branching.
2. Phospholipid structure: hydrophilic head, hydrophobic tail, membrane function.
3. Enzyme inhibition: PABA production, concentration effects, competitive/non-competitive inhibition.
4. Hemoglobin: oxygen binding, partial pressure, carbon dioxide, oxygen transport.
5. Measles vaccination: immune response, antibody production, vaccination timeline.
6. Antibiotic resistance: prevention, hygiene, controlled prescription.

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