Test: GRE Subject Test: Biology

1.

A certain immunostaining technique initially separates antigens to be identified by electrophoresis, then transfers them to a solid membrane. This process was used as the standard for diagnosis of the presence of human immunodeficiency virus. What process is being described?

ELISA (enzyme-linked immunosorbent assay)

Chemiluminescence

Flow cytometry

Immuno-electron microscopy

Western blot

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