Biology past papers › 9700/22/O/N/21

9700/22/O/N/21 Question 5

Biology October/November 2021 Paper 22 · 16 marks · Nucleotides, ATP and RNA, Structure of the gas exchange system, Vaccination, Immune responses

Mark scheme

Question 4 · Question 6

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.