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2 votes
Which molecules of the adaptive defense system provide humoral immunity by circulating freely in the blood and lymph, where they bind to extracellular antigens and inactivate them and mark them for destruction?

A) antibodies
B) complement
C) proteins
D) antigens
E) interferons

2 Answers

3 votes
V. OI Megan snn IN shnxh in dvnn in sh in us. Fb
User Chad Von Nau
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8.6k points
3 votes
A) antibodies is the answer.
User Matheus Araujo
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8.8k points
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