Chemistry 9701/33 May June 2022 | Cambridge AS Level Past Papers With Mark Scheme

1. Polymers: amylopectin, cellulose, RNA, polypeptides; glycosidic bonds, nitrogen, branching, animal/plant cells.
2. Phospholipid structure: hydrophilic heads, hydrophobic tails, membrane fluidity, lipid bilayer formation.
3. Enzyme inhibition: PABA production, concentration effects, competitive/non-competitive inhibition.
4. Hemoglobin: oxygen binding, partial pressure, Bohr effect, carbon dioxide, oxygen transport.
5. Measles: pathogen identification, vaccination, immune response, antibody production, vaccine timeline.
6. Antibiotic resistance: prevention, hygiene, controlled prescription, bacterial resistance spread reduction.