Chemistry 9701/11 Oct Nov 2022 | Cambridge AS Level Past Papers With Mark Scheme

1. Polymers: amylopectin, cellulose, RNA, polypeptides; glycosidic bonds, nitrogen, animal/plant cell presence, branching.
2. Phospholipid structure: hydrophilic heads, hydrophobic tails, membrane fluidity, bilayer formation.
3. Enzyme inhibition: PABA production, concentration effects, inhibitor types (competitive/non-competitive).
4. Hemoglobin: oxygen binding, partial pressure, oxygen transport efficiency, carbon dioxide interaction.
5. Measles vaccination: immune system activation, antibody production timeline, vaccination effectiveness.
6. Antibiotic resistance: prevention, controlled usage, hygiene, infection spread reduction.