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Article: Metal extraction by bacterial oxidation.
- Article from:
- Mining Magazine
- Article date:
- October 1, 1995
- Author:
CopyrightCOPYRIGHT 1995 Mining Journal Ltd. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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As oxide reserves are depleted, increasing use will be made of biological help in processing refractory sulphidic gold ores and ores of other metals
Humans, earthworms, snails and mushrooms have much in common, because animals, plants and the 'higher protista' (fungi, yeasts and green algae) are all made of eucaryotes cells which have a nucleus containing, amongst other things, the DNA which determines their genetic constitution. Bacteria, however, are different.
Bacteria, together with cyanobacteria (blue-green algae), are single-celled lower protista known as procaryotes. Procaryotic cells do not have a true nucleus, the bacteria's DNA being present as a ...