SEARCH Articles Figures Tables Calvin cycle 3-phosphoglycerate formation Cell cycle enzyme formation Citric acid cycle citrate formation Citric acid cycle fumarate formation Citric acid cycle succinate formation Citric acid cycle, reactions citrate formation Cycle of star formation Formation of 3-, 4- and 5-Membered Cycles by Intermolecular Reactions Formation of Five-Membered Cycles Formation of Seven-Membered Cycles Formation of Six-Membered Cycles Intermolecular Coupling with Cycle Formation Ozone formation cycle Urea cycle carbamoyl phosphate formation