PRINCIPLE: The breakdown of hydrogen peroxide into oxygen and water is mediated by the enzyme catalase. When a small amount of an organism that produces catalase is introduced into hydrogen peroxide, rapid elaboration of bubbles of oxygen, the gaseous product of the enzyme's activity is produced.RINCIPLE: The breakdown of hydrogen peroxide into oxygen and water is mediated by the enzyme catalase. When a small amount of an organism that produces catalase is introduced into hydrogen peroxide, rapid elaboration of bubbles of oxygen, the gaseous product of the enzyme's activity is produced.
Josh Keaton. Joshua Luis Wiener (born February 8, 1979), known by his stage name Josh Keaton, is an American actor, voice actor, singer, and record producer. 1 Early life.
Quincy Five's Keaton, exonerated from Death Row, dies. David Roby Keaton, one of the infamous Quincy Five and the nation's first prisoner exonerated from Death Row, has died. Keaton, 63, died July 3 in Quincy. Keaton, who had a history of heart problems, had been in poor health for several years. He was a very good guy, a Christian-based guy, said Alphonso Figgers, 63, Keaton's first cousin and fellow member of the Quincy Five.