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: March 28, 2025 Introduction to Heme Biosynthesis Porphyrins are complex chemical compounds that are large heterocyclic organic ring structures. The complex ring structures of porphyrins are composed of four modified pyrrole (5-membered organic ring)...
Biochemistry Topics, Nitrogen Metabolism
Last Updated: February 19, 2025 Introduction to Nitrogen Homeostasis and the Urea Cycle Humans are totally dependent on other organisms for converting atmospheric nitrogen into forms available to the body. Nitrogen fixation is carried out by bacterial nitrogenases...