CAPE Biology Unit 2 · 2012 · Paper 1 · Question Q36

Which of the following immunoglobulins is/are important in the body's first response to an antigen?

1. (A)IgG
2. (B)IgM
3. (C)IgM and IgG
4. (D)IgG and IgM

This question uses a figure or table from the paper — you'll see it when you practise.