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What immune function was first adapted by fish?

A. Cell recognition of peptidoglycan
B. Production of T cells and B cells
C. Antibodies specific for certain pathogens
D. Pili to prevent pathogen attachment


Sagot :

Final answer:

B cells produce antibodies that bind to antigens on pathogens, aiding in their recognition and destruction.


Explanation:

B Cells are immune cells that primarily function by producing antibodies, which are proteins that bind specifically to pathogen-associated molecules called antigens. Antigens are chemical structures on pathogen surfaces that bind to lymphocyte antigen receptors. Antibodies play a crucial role in recognizing and targeting pathogens for destruction by various immune cells.


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