A substance that may be useful as a medicine has been discovered.
Which sequence shows the correct order of the next stages?
clinical testing →\rightarrow→ development →\rightarrow→ preclinical testing
preclinical testing →\rightarrow→ clinical testing →\rightarrow→ development
development →\rightarrow→ clinical testing →\rightarrow→ preclinical testing
development →\rightarrow→ preclinical testing →\rightarrow→ clinical testing
45 exam-style questions on Edexcel GCSE Biology 5.3 Immune system and medicines, covering 5.3.1 The specific immune system, 5.3.2 Response to immunisation, 5.3.3 Advantages and disadvantages of immunisation, 5.3.4 Antibiotics and bacterial infections, 5.3.5 Aseptic techniques in culturing, 5.3.6 Cross-sectional areas of cultures, 5.3.7 Stages of developing new medicines, and 5.3.8 Production of monoclonal antibodies. Each one has a worked solution and a mark scheme showing where the marks go.