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Misha Larkins
[42]
3 years ago
6
Cells of the immune system are able to respond to the presence of invading organisms because they recognize the
Biology
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answer:
Ludmilka
[50]
3 years ago
3
0
They are able to respond to the presence of invading organisms because they recognize the<u> antigen </u>on the surface of organisms. There are specific receptors on the surface of immune system cells.
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