Enzymogenesis

Hence, the two cod enzyme structures define the earlier events and illustrate the "enzymogenesis," or emergence of a unique enzyme.

This multiple enzymogenesis of the same activity from different superfamilies is again analogous to the situation for ADHs and PDHs, where different forms belong to either of these two superfamilies.

On the supposition that these ADH families might have evolved in response to ethanol exposure, the possibility that ethanol triggered enzymogenesis within each ADH family will be discussed in the sections that follow.