Evolution Message Board - Msg: 26960094

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Politics : Evolution

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To: Jacques Chitte who wrote (9862)	11/13/2010 6:35:34 PM
From: Brumar89	Read Replies (2) of 69300

You may be right. Though otoh it may just take a lot of time. The gas turbine goes back over 2000 years .... thats a long liftoff time. Maybe rapid technological development requires a particular type of society and economy to happen. I hope we're not structuring our society in such a way that we slow down things. There's a very good reason there are no rotary structures at the cellular (and smaller) scale. Not manmade anyway ... yet. >>>> ATP SYNTHASE — A MARVELLOUS ROTARY ENGINE OF THE CELL Masasuke Yoshida, Eiro Muneyuki and Toru Hisabori ATP synthase can be thought of as a complex of two motors — the ATP-driven F 1 motor and the proton-driven F o motor — that rotate in opposite directions. The mechanisms by which rotation and catalysis are coupled in the working enzyme are now being unravelled on a molecular scale. ........ On a molecular scale, apart from ATP synthase, only bacterial flagella are known as a rotary motor. The crystal structures ofthe main part ofthe ATP synthase show, in atomic detail, how the appearance ofthis tiny motor made from ~3,500 amino acids is remarkably reminiscent ofman-made motors6 ......<<<<< stahlberglab.ucdavis.edu

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