9700/22 · Oct/Nov 2024
AS Level Structured Questions · 60 marks · 6 questions
- Question 18 marks
Fatty acids in olive oil: saturated and unsaturated chains, and the structure and variety of triglycerides.
- Question 217 marks
Controlling HIV transmission, magnification, and evidence that the opportunistic pathogen Pneumocystis is a eukaryote (cell wall, organelles).
- Question 35 marks
Complementary base pairing between DNA and RNA nucleotides during transcription.
- Question 413 marks
Adult stem cells, tissue repair by mitosis, tumour formation, telomeres, and blood cells formed from bone marrow stem cells.
- Question 510 marks
Malaria and the oxygen dissociation curve: standardising an experiment and the effect of a right shift on loading and unloading.
- Question 67 marks
The apoplast pathway and the Casparian strip, and active transport vs facilitated diffusion of potassium ions into root cells.