1 Note which cartridges need to be replaced and press OK. 2  Then select Yes, replace now and press OK. 3  If you are replacing a cartridge before you see a message on the LCD screen, press the left or right arrow buttons, select Setup OK Maintenance OK Ink Cartridge Replacement OK.
Each antibody binds to a specific antigen; an interaction similar to a lock and key. An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shape protein produced by plasma cells that is used by the immune system to identify and neutralize pathogens such as bacteria and viruses. The antibody recognizes a unique molecule of the harmful agent, called an antigen, via the variable region.
An antibody is a Y shaped proteins that are cruical to the specific immune response and are released by lymphocytes. The top arms of the Y have sites that recognise and bindâ¦ specfic counterparts, other proteins called antigens, on cells that are not SELF (cells that are part of the organism producing the antibodies).