In many bacterial species, a cytochrome C-associated protein catalyzes a reaction of this type which promotes the formation of water and oxygen from hydrogen peroxide; this reaction is also catalyzed by catalase.
A reaction of this type using a molybdenum hexacarbonyl catalyst was developed by Banks and Bailey and yields 2-pentene as one of its products.  Acidifying a solution of manganate ion yields a reddish-orange solution through this type of reaction. Microbes like D. propionocus catalyze a version of this process in which fractionation occurs between different isotopes of sulfur. As an alternative to combination, this process may be used to terminate free radical polymerization.  In many bacterial species, a cytochrome C-associated protein catalyzes a reaction of this type which promotes the formation of water and oxygen from hydrogen peroxide; this reaction is also catalyzed by catalase. For 10 points, name this type of reaction in which compound undergoes both reduction and oxidation to yield two distinct species.
A reaction of this type using a molybdenum hexacarbonyl catalyst was developed by Banks and Bailey and yields 2-pentene as one of its products.  
disproportionation [accept dismutation; on the Banks/Bailey clue, accept metathesis]