RussellMc wrote: > It gets grey. > When you have a number of similar orhanisms all working together in > the same "soup" then a protein or whatever expressed by one may well > affect another. It's interesting to note that we know this does happen with the ROM code (DNA). Apparently some bacteria swap DNA sequences between organisms, sometimes even between different species. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .