Components of the immune system called antibodies are found in the liquid portion of blood and help protect the body from harm. Antibodies can also be used outside the body in a laboratory-based assay to help diagnose disease caused by malfunctions of the immune system or by infections.
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Download the accompanying PDF worksheet for students to complete as they go through the Virtual Lab.
AP Biology (2012–13)
2.D.4, 3.D.2, 4.B.1
IB Biology (2016)
1.5, 6.3, B.4