Some of the saltiest sources of packaged foods include: 1  deli meat. 2  frozen pizza. 3  vegetable juices.  canned 1  soup. canned or bottled tomato products.
Antibodies show the following characteristics and perform different functions. (i) IgA: It is the second most abundant class, constituting about 10 to 15 per cent of antibodies of serum. It is mainly found in sweat, tears, saliva, mucus, colostrum (first milk secreted by a mother) and gastrointestinal secretions. Smaller quantities are present in blood and lymph.
1 IgD molecules are located on the surface membranes of mature B cells. 2  The heavy chain type in IgD is a delta chain. 3  IgE: Found mostly in saliva and mucus, these antibodies are involved in allergic responses to antigens. 4  The heavy chain type in IgE is an epsilon chain.he antigen-binding site is the area of the antibody that recognizes and binds to the antigen. Photo Credit: Image Credit: Darryl Leja, NHGRI. Antibodies (also called immunoglobulins) are specialized proteins that travel thorough the blood stream and are found in bodily fluids.