DEHYDROGENASES are of three types: (1) those which act through coenzymes I or II, (2) flavoproteins, and (3) the 'cytochrome-reducing dehydrogenases', a group of enzymes of unknown chemical nature ...

Metro Phoenix isn't known for experiencing traditional winter weather. But this season has been warmer and drier than usual; it's been more than four months since the last rain fell. You can thank ...

In wetland soils and underwater sediments of marine, brackish and freshwater systems, the strong phytotoxin sulfide may accumulate as a result of microbial reduction of sulfate during anaerobiosis, ...