Account Options. Patents. A portable water purification system has a prefiler, a pumping unit, a reverse osmosis unit, a microbial control unit and a post filter for removing nuclear, biological, chemical and other contaminants from a water source.
1. T-cells mature (develop immunocompetence) in thymus 2. B-cells mature in bone marrow 3. Immunocompetent lymphocytes have unique receptors, committing them to binding with a specific antigen (all 10,000 + receptors are the same) 4. Lymphocytes become immunocompetent before exposure to antigens a.ingle antigen can mobilize many lymphocytes, stimulate production of many antibodies 3. Self-antigens-our cells would be antigens to someone else a. MHC proteins (Major Histocompatibility Complex) on cell surface b. MHC proteins bind to antigens in infected cells.
The lymphocyte is the main cell of the lymphoid tissue. Lymphocytes are a type of white blood cell which produce antibodies to kill any pathogens which invade the body. They a â¦ re small white blood cells which have large nuclei, but no granules.They produce antibodies that fight disease and harmful microbes in the body or mark the disease for the phagocytes to engulf.he lymphocyte is the main cell of the lymphoid tissue. Lymphocytes are a type of white blood cell which produce antibodies to kill any pathogens which invade the body. They a â¦ re small white blood cells which have large nuclei, but no granules.