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Which white blood cell identifies pathogens based on the antigens found on the pathogen's surface?

Answer :

Final answer:

B cells are the white blood cells that identify pathogens by recognizing specific antigens on their surface. They can differentiate into plasma cells to produce antibodies or memory B cells for future responses. T cells also recognize and respond to infected cells through their antigen recognition.


Explanation:

Identifying Pathogens: The Role of White Blood Cells

In the immune system, the type of white blood cell that identifies pathogens based on the antigens found on the pathogen's surface is primarily the B cell. When B cells encounter a specific pathogen antigen, they activate and can either differentiate into plasma cells, which produce antibodies, or become memory B cells that aid in future immune responses.

Additionally, T cells also play a crucial role in recognizing infected cells through their antigens. T cells, particularly cytotoxic T cells, directly kill cells that display abnormal antigens, such as those from viruses or cancer cells.

Thus, both B cells and T cells are essential in identifying and responding to pathogens in the immune response.


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