Biology Paper 1 · B3 · Lesson 3.10
From natural sources to fair clinical trials.
Digitalis originated from foxgloves; aspirin from chemicals in willow; penicillin from Penicillium mould, discovered by Alexander Fleming. Today many drugs are made by chemical synthesis.
Know these three source–medicine pairs.
No timer. Read the explanation after each answer.
Daily 5 · Exam practice · Download the A4 revision sheet
Core content is shared by Foundation and Higher Tier. Challenge questions ask you to explain and apply it.
AQA Combined Science Trilogy specification · 4.3.1.9. Notes, questions and diagrams are original teaching material.
Rose leaf: LiquidGhoul / Wikimedia Commons, public domain. Mosquito: CDC / Jim Gathany, PHIL 5814, public domain. This photograph shows a vector species; it does not establish that this individual carries malaria.