Class switching 4. Make it a bigger molecule. Make it degrade more easily. Make it degrade less easily. Macrophages are involved in antigen processing.
Macrophages are the first to arrive at regions of inflammation.
Neutrophils live for about a day, which macrophages live for about 3 months. Neutrophils are mostly in the blood, while macrophages are mostly found in tissue. This is an inhibitory cytokine for B cells 20. The graph on the board shows the clearance of soluble antigen from an organism. You are examining the structure of a cell adhesion molecule, and find that its amino acid sequence is similar to that of the constant region of the T cell receptor and the 2 region of an MHC class I receptor.