catalase. a heme-containing enzyme that specifically catalyzes the decomposition of hydrogen peroxide and is found in almost all cells except certain anaerobic bacteria. The reaction can be used as a test in the identification of bacteria.1  Facebook.atalase. a heme-containing enzyme that specifically catalyzes the decomposition of hydrogen peroxide and is found in almost all cells except certain anaerobic bacteria. The reaction can be used as a test in the identification of bacteria. 1  Facebook.
The thing is, Josh Marshall is a blogger. The reporters and editors who work for TPM are also bloggers, a term that deserves italics because it is now so broad as to be meaningless. It is, however, inherently diminutive, even when it's being used kindly, which it usually is in relation to TPM.
From Wikipedia, the free encyclopedia. Joshua Micah Marshall (born February 15, 1969 in St. Louis, Missouri) is an American Polk Award-winning journalist and liberal blogger who founded Talking Points Memo, which The New York Times Magazine called one of the most popular and most respected sites in the blogosphere.