Vital organs gave snakes their venom

From: Jim Armstrong <jarmstro@qwest.net>
Date: Wed Mar 02 2005 - 19:03:14 EST

Vital organs gave snakes their venom
<http://www.nature.com/news/2005/050228/full/050228-5.html> - Specific
toxins evolved from tweaks to key proteins.
Received on Wed Mar 2 19:04:13 2005

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