1.   Although E. coli has enzymes which detect and repair such faults, a minority escape repair and produce true mutants.

2.   Most people have an enzyme, lactase, that breaks down that particular sugar.

3.   Most children of all races have the enzyme to digest milk, but many minority children lose that ability by their teens or early adulthood.

4.   The body has an enzyme that neutralizes many organophosphates, said Haley, but the process often depletes the enzyme supply.

5.   Then, Shapiro said, the group tried their antibiotic on gram-positive bacteria, which do not have the enzyme the drugs were made to attack.

6.   This juice has an enzyme that works as a natural tenderizer for the beef.