230k views
0 votes
Proteins that circulate in the blood, specifically attaching to one kind of antigen are ____.

User Banford
by
7.5k points

1 Answer

4 votes
Answer: antibodies

Antibodies are made by the body in response to specific bacterial or viral infections and their antigens. They target the antigen that they oppose directly upon reinfection.
User Sajjad
by
8.7k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.