Researchers attach fluorescent dye to monoclonal antibodies that bind to protein Y. They use the antibodies to examine three regions of a tissue sample. The fluorescence readings are shown in the table.
| Region of tissue | Fluorescence reading (relative units) |
|---|---|
| A | 82 |
| B | 18 |
| C | 21 |
Explain what the results show about the location of protein Y in the tissue sample.
60 exam-style questions on AQA GCSE Biology 3.2 Monoclonal antibodies (HT only), covering 3.2.1 Producing monoclonal antibodies and 3.2.2 Uses of monoclonal antibodies. Each one has a worked solution and a mark scheme showing where the marks go.