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Pastimes : Let's Talk About Our Feelings!!! -- Ignore unavailable to you. Want to Upgrade?

To: Grantcw who wrote (23728)	7/16/1998 11:13:00 PM
From: Krowbar	Respond to of 108807

<< Here's the question though. The enzyme's purpose is only to allow the two chemicals to function together without the bettle exploding. Soooo... If the enzyme came before the 3rd chemical, I don't see what advantage would be given to the beetle since the enzyme would have no purpose yet. If the enzyme came after the other chemical, the beetle would explode like in the laboratory. This is why I bring this animals up. It seems very hard to explain. >> The purpose of the enzyme is to act as a catalyst to greatly speed up the reaction. It could have, at first, been present in tiny amounts to help the reaction. It was probably introduced in tiny quantities by specialized cells lining the main reaction chamber. As this was an excellent defense mechanism, evolution would have favored the beetle with the greatest control of the reaction, thus eventually favoring a separate chamber. Those mutations that didn't get it right blew up. Presumably, they didn't have offspring. Truly selection of the fittest at it's best. Del