Example of pale bluish gray redox depletions. Note the faint rusty orange concentration distributed throughout the soil matrix.

These clusters are ideal for electron-transfer and redox reactions because they can access ... distance within a polypeptide chain. A good example of this is seen in hydrogenase, where [Fe-S ...

are a type of battery that stores energy in chemicals that undergo redox reactions. Redox stands for reduction-oxidation, a chemical reaction where one substance loses electrons and another gains ...