Archive: 14/12/2007

Where have all the lake eels gone? Queen's prof asks

A Queen’s University environmental scientist will head a new international study to determine whether American eels – the slimy, snake-like fish considered worldwide to be a food delicacy – are dying from chemical pollution ...

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Evolution with a restricted number of genes

The development of higher forms of life would appear to have been influenced by RNA polymerase II. This enzyme transcribes the information coded by genes from DNA into messenger-RNA (mRNA), which in turn is the basis for ...

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Losses of long-established genes contribute to human evolution

While it is well understood that the evolution of new genes leads to adaptations that help species survive, gene loss may also afford a selective advantage. A group of scientists at the University of California, Santa Cruz ...

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