41. ALOX15 and Alox15 enzymes are non-heme , iron-containing dioxygenases. 42. The cofactor which may be either heme or vanadium. 43. HMOX1 and HMOX2 ( this enzyme ) belong to the heme oxygenase family. 44. Methylene blue and its congeners may act by preventing the biocrystallization of heme . 45. Sickle hemoglobin induces the expression of heme oxygenase-1 in hematopoietic cells. 46. Where Por denotes the heme cofactor, and " denotes a chemical radical. 47. This activated state of heme is called " compound I ". 48. The definition of cytochrome c is not defined in terms of the heme group. 49. The color of red blood cells is due to the heme group of hemoglobin. 50. Deficiency in the enzymes of the porphyrin pathway leads to insufficient production of heme .
