A laboratory uses monoclonal antibodies to find the concentration of a hormone in a blood sample. Which statement explains how this is possible?
The antibody breaks down the hormone at a rate that can be measured
The amount of antibody that binds depends on how much hormone is present
The antibody changes the colour of the blood in proportion to its volume
The amount of hormone rises each time an antibody binds to a blood cell
42 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.