An Immunoassay Is Performed in the Following Way: Antigen Is

Multiple Choice

An immunoassay is performed in the following way: Antigen is bound to a solid support.Patient serum is added,and patient antibodies bind to the antigen.The well is washed,and enzyme-labeled anti-immunoglobulin antibodies are added.The well is washed,and enzyme substrate is added.Enzyme activity is determined.Which immunoassay is described?

A) Capture
B) Competitive
C) ELISA
D) Homogeneous