The citric acid cycle is also known as the Krebs cycle or the tricarboxylic acid cycle. It is a series of reactions in a closed loop that are fundamental for cellular respiration. The citric acid ...

Discovery of Urea cycle: At the University of Freiburg (1932), Krebs discovered (with the German biochemist Kurt Henseleit) a series of chemical reactions (now known as the urea cycle) by which ...

Journal: Proceedings of the National Academy of Sciences of the United States of America Published: 2025-02-19 DOI: 10.1073/pnas.2423761122 Affiliations: 6 Authors: 11 ...