> Dear Peta;- > Being a living thing, doesn't the individual bacteria tend to die? > Art Hello! Hi Art, No, these are protein molecules. Molecules dont die. Later, Emilio Jorge Power Please visit; "The Liguus Home Page" http://www.geocities.com/Eureka/Gold/9440/liguus/lighompa.html "The Polymita Homepage" http://www.geocities.com/Eureka/Gold/9440/polymita/polyhompg.html West Melbourne, Florida USA