The development of new medicines relies on diverse sources and rigorous testing procedures.
Which of the following statements about the discovery and testing of medicines is incorrect?
Cultured human cells and computer models are used in pre-clinical testing to assess potential toxicity.
Genetically modified bacteria can be used as bioreactors to synthesise human hormones like insulin.
Phase I clinical trials are conducted on a large sample of patients who have the target disease to determine the drug's efficacy.
Natural ecosystems, such as rainforests, are rich sources of novel compounds with medicinal properties.
39 exam-style questions on OCR A A Level Biology Cloning and biotechnology. Each one has a worked solution and a mark scheme showing where the marks go.