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173. How to identify foods: Food Tests and Chromatography
Food tests and chromatography are techniques used for the recognition of biologically important chemical compounds (exam questions on these techniques are common). The use of these...
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194. Tissue and Organ Transplants
This Factsheet summarises: • The main types of transplant • The difficulties that have to be overcome to stop rejection • Ethical issues surrounding transplants&nbs...
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203. Climate change and ecological decoupling
The near-surface temperature of the planet has risen about 0.6o C in the past 100 years. The 1990s was the warmest decade on record. ...
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