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xz_007 [3.2K]
3 years ago
15

PLEASE HELP!!!!! 

Biology
2 answers:
horrorfan [7]3 years ago
5 0
I think the answer would be D goodluck
Nimfa-mama [501]3 years ago
5 0
I took the test, It's D :)
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Professional antigen-presenting cells, such as phagocytes, are the first cells to encounter a pathogen (apcs). This means they have the ability to activate cells of the adaptive immune system.

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