drops), some bacteria survives. 4.3.1.9 Discovery and Traditionally were 1 Describe the origins of Examine the mould development of drugs extracted from plants and some drugs. growing on bread set up in microorganisms. 4.3.1.4 Fungal disease – Summary the story of lesson. The heart drug digitalis Alexander Fleming’s originates from discovery into a cartoon foxgloves. strip. The painkiller aspirin originates from willow. Penicillin was discovered by Alexander Fleming from the Penicillium mould. Most new drugs are synthesised by chemists in the pharmaceutical industry. However, the starting point may still be a chemical extracted from a plant. 4.3.1.9 Medical testing New medical drugs have to 1 Describe why should Students can investigate be tested and trialled be tested. the effect of sugar/caffeine before being used to check on their heart using normal that they are safe and Define placebo and cola and diet/caffeine free effective. double blind. cola. Use pulse meters to test heart rate. Test after New drugs are extensively Describe how students drinking the cola. tested for toxicity, efficacy would investigate whether Complete a double blind and dose. caffeine/ sugar affects test (where teacher does heart rate. not know which cola is which). Compare results to
drops), some bacteria survives. 4.3.1.9 Discovery and development of drugs Traditionally were extracted from plants and microorganisms. The heart drug digitalis originates from foxgloves. The painkiller aspirin originates from willow. Penicillin was discovered by Alexander Fleming from the Penicillium mould. Most new drugs are synthesised by chemists in the pharmaceutical industry. However, the starting point may still be a chemical extracted from a plant. 1 Describe the origins of some drugs. Summary the story of Alexander Fleming’s discovery into a cartoon strip. Examine the mould growing on bread set up in 4.3.1.4 – Fungal disease lesson. 4.3.1.9 Medical testing New medical drugs have to be tested and trialled before being used to check that they are safe and effective. New drugs are extensively tested for toxicity, efficacy and dose. 1 Describe why should be tested. Define placebo and double blind. Describe how students would investigate whether caffeine/ sugar affects heart rate. Students can investigate the effect of sugar/caffeine on their heart using normal cola and diet/caffeine free cola. Use pulse meters to test heart rate. Test after drinking the cola. Complete a double blind test (where teacher does not know which cola is which). Compare results to
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