In performing an antibody screen by the solid phase technique, a monolayer of red blood cells is formed at the top of the microplate wells following the addition of indicator cells. This result should be interpreted as:

Question

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In the solid phase technique, a monolayer of red blood cells at the top of the wells indicates a positive reaction, as it shows that antibodies have bound to the antigens on the solid phase, capturing the indicator cells.

In Performing an Antibody Screen by the Solid Phase Technique