Question

Good day, please select all correct options. Thanks

Macrophages

 A. carry class II major histocompatibility complex (MHC) antigens on their plasma membrane. B. secrete tumour necrosis factor (TNF).

 C. are activated by interferon-gamma (IFN-γ). 

D. are antigen presenting cells. 

E. secrete IgG.

Answer 1

B. secrete tumour necrosis factor (TNF).

C. are activated by interferon-gamma (IFN-γ).

D. are antigen presenting cells.