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DiKsa [7]
2 years ago
9

Cells of the immune system are able to respond to the presence of invading organisms because they recognize the?

Biology
2 answers:
tino4ka555 [31]2 years ago
8 0
C DNA pattern in the nuclei of viruses
Akimi4 [234]2 years ago
3 0
A antigens on invadors
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