IB
IBO
Biology
May 2021
QP-202105-Biology-P1(TZ2)-HL · Question 37
Question (excerpt):
37. The graph shows changes in the concentration of an antibody in the blood of an individual subjected to two separate infections at time X and time Y. X Y Time Concentration of antibody What disting…
37. The graph shows changes in the concentration of an antibody in the blood of an individual subjected to two separate infections at time X and time Y. X Y Time Concentration of antibody What disting…
Question Slice Image
Official Mark Scheme & Solution
The official answer and mark scheme are available to signed-in users in the PaperAce App.