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.
But Michael Keaton, cast by Tim Burton for Batman (1989) and Batman Returns (1992), is our pick for the best of the caped crusaders. media_cameraMichael Keaton in costume as Batman. media_cameraMichael Keaton as Batman, with villain the Joker (Jack Nicholson).