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decomposition of a given starting material (e.g. sewage disposal, destruction of industrial wastes or oil spillages).
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The reactions of biotechnological processes can be anabolic or biosynthetic, whereby simple molecules are built up into more complex ones.
Catabolic reactions are usually exergonic whereas anabolic reactions are normally endergonic.
Biotechnology includes fermentation processes, water and waste treatments, parts of food technology, and an increasing range of novelapplications ranging from biomedical to metal recovery from low grade ores.
A high proportion of the techniques used in biotechnology tend to be more economic, less energy demanding and safer than current traditional industrial processes and for most processes the residues are biodegradable and non-toxic.
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