9700/23/O/N/23 · Biology October/November 2023 Paper 23
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 14 marks · Pathogens, The cell cycle, Vaccination
- Question 2 · 8 marks · Measuring enzyme activity, Factors affecting rate, How enzymes work
- Question 3 · 11 marks · Haemoglobin, Carbon dioxide transport, Oxygen dissociation curve
- Question 4 · 11 marks · Transcription and translation, Nucleotides, ATP and RNA, Genes and the genetic code, Organelles, Magnification calculations, Diffusion, osmosis and active transport
- Question 5 · 10 marks · Translocation
- Question 6 · 6 marks · Heart structure, Cardiac cycle
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.