Chemistry 9701/13 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, cell membrane function.
3. Enzyme inhibition: PABA production, concentration effects, competitive/non-competitive inhibition.
4. Hemoglobin oxygen binding: partial pressure, carbon dioxide impact, oxygen transport efficiency.
5. Measles vaccine: immune system activation, antibody production, vaccination timeline.
6. Antibiotic resistance: prevention strategies, hygiene practices, controlled prescriptions.

باز نشر محتواها در فضای مجازی، ممنوع است.