Nerissa is using immunostaining to identify different protein molecules on the cell of a pathogen. Which best describes the process that she will go through to identify the protein?

Immunostaining uses antibodies that bind specifically to a target protein, also called an antigen. The antibodies are linked to a dye or other detectable marker, so the protein’s location can be seen. Thus, the best choice is adding dye-tagged antibodies that attach to the pathogen’s antigen.

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