Dorian Purcell, focused intensely on archaea, the third domain of animal life. The first domain is eukaryotes, which includes human beings and all other higher organisms. The second domain is bacteria. Microscopic archaea, which lack a nucleus, were long thought to be a kind of bacteria. But they have unique properties, not least of which is the ability to effectuate horizontal gene transfer.

Dean Koontz Quotes

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