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The genetic engineering revolution makes it possible to create designer germ weapons that could devastate populations by spreading deadly diseases against which there may be no defence. Despite the efforts...
Looks at oilseed rape, which has become a major crop in England, and discusses its many uses. Genetic engineers hybridise it with alien species and materials, to produce plastics, oil and foodstuffs.
Notes the importance of potatoes in the human diet and the world economy, and looks at how scientists are using genetically engineering better, sweeter, and disease-resistant crops.
Professor Patricia Hannah Clarke’s main research was on bacterial enzymes: their evolution and properties, and producing and purifying them for industrial use. She was also involved in developments in...
Shows how scientists are learning to manipulate the fundamental processes of life and how biotechnology has led to new drugs and materials. Also mentions that research and development costs can be prohibitive.
Shows how DNA is extracted and purified before being analysed using electrophoresis. Southern blotting and probing of the DNA using a radioactively labelled probe. These techniques form the basis of DNA...
Biotechnology could shape the next century, but new organisms can run out of control and upset the ecological balance. Discusses a new safety test - ‘the fourth hurdle’ - and examines the environmental...
Illustrates the role of algae and protozoa in the biological processes that support life on earth and also their place in biotechnology. There are sequences of microscopic algae and protozoa from marine,...
Looks at attempts to create food products through biotechnology. Genetic engineers claim that food shortages in the developing countries could be overcome by transferring genes from plants which can survive...
Looks at the technology of biosensors - the electronic harnessing of the body’s ability to monitor its own chemistry. Biosensor technology has implications for health care, industry, food and environment.
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