<prompt> Which is a heme protein -HemoglobinCatalaseCytochromeAll of the above  <response>: Ans. is d i.e., All of the aboveo Hemoproteins are proteins which have heme as prosthetic group.o Important hemoproteins are hemoglobin, myoglobin, cytochromes cytochrome C, cytochrome P450, catalase, peroxidase, tryptophan pyrrolase and nitric oxide synthase. 