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.
Thomas Riley Marshall (March 14, 1854 â June 1, 1925) was an American Democratic politician who served as the 28th Vice President of the United States (1913â1921) under Woodrow Wilson.