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.
by Â· Published August 29, 2014. Michael Keaton, Zach Galifianakis, Edward Norton and Emma Stone star in the black comedy Birdman or The Unexpected Virtue of Ignorance. Watch the movie trailer and view the movie photos and posters below. An actor (Keaton), shadowed by the iconic superhero he once played, must overcome his ego and family trouble as he prepares to mount a Broadway play in a bid to reclaim past glory.