Without doubt, the PGA European Tour is the second most important tour in menâs golf, behind the PGA Tour. When it comes to prize money, its harder to predict the European Tourâs standing in comparison to the PGA Tour, and whether it has fallen or risen in the past few years.
An antigen is a molecule that binds to Ag-specific receptors, but cannot necessarily induce an immune response in the body by itself. Antigens are usually peptides, polysaccharides or lipids.
An antigen is any molecule against which a specific immune response can be generated. This means that lymphocytes are activated: 1  B-cells are activated to produce antibodies and. 2  T-cells are activated to provide helper function and cytotoxic function.gM 1  -. heavy chain is the mu-chain; 2  it can be a monomer when it is on the surface of the B-cell that made it (it can be a B-cell receptor); 3  It is a pentamer when it is secreted and floating around in the serum -- this is the biggest and heaviest antibody; 4  It is the first antibody made in life by the still immature immune system; 5  It is a good 6  ... It