The Nitrogen Metabolism section includes posts/pages discussing whole body nitrogen homeostasis, the disposition of waste nitrogen via the urea cycle, the diseases that result from defects in the urea cycle, the synthesis of heme, the diseases that result from disorders in the enzymes of heme synthesis, the catabolism of heme, the detoxification o bilirubin, and the diseases that result from defects in the metabolism of bilirubin..
Biochemistry Topics, Nitrogen Metabolism
Last Updated: November 29, 2025 Introduction to Heme Biosynthesis The processes of heme biosynthesis and degradation to bilirubin constitute the pathways of heme and bilirubin metabolism. Heme molecules are derived from the porphyrins. Porphyrins are complex chemical...
Biochemistry Topics, Nitrogen Metabolism
Last Updated: December 17, 2025 Introduction to Nitrogen Homeostasis and the Urea Cycle The processes of nitrogen metabolism, which includes the urea cycle to remove waste nitrogen, are critical to the survival of humans given that excess nitrogen, in the form of...