‘Promiscuous’ enzymes can compensate for disabled genes
Bacteria devise metabolic work-around when important biochemical reactions are thwarted
![E. coli](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/08/081216_lh_ASM_free.jpg?fit=860%2C460&ssl=1)
PINCH HITTERS When E. coli (shown here) loses genes that make important enzymes, other enzymes will find a new way to do the same job.
NIAID/Flickr (CC BY 2.0)