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Parent Terms Term With Siblings Child Terms
4-amino-3-isothiazolidinone biosynthetic process 
7,8-didemethyl-8-hydroxy-5-deazariboflavin biosynthetic process 
acyl-CoA biosynthetic process +   
alkaloid biosynthetic process +  
allantoin biosynthetic process  
alpha-amino acid biosynthetic process +   
alpha-ribazole biosynthetic process 
amine biosynthetic process +   
aminoglycan biosynthetic process +   
amyloid precursor protein biosynthetic process +   
ansamycin biosynthetic process 
aromatic amino acid family biosynthetic process +   
atrazine catabolic process to urea 
beta-lactam antibiotic biosynthetic process +  
biotin biosynthetic process 
branched-chain amino acid biosynthetic process +   
cellular amino acid biosynthetic process +   
cellular lactam biosynthetic process +  
cellular modified amino acid biosynthetic process +   
ceramide biosynthetic process +   
clavulanic acid biosynthetic process 
coenzyme gamma-F420-2 biosynthetic process 
cyanate biosynthetic process 
cytochrome biosynthetic process +  
dethiobiotin biosynthetic process 
dipyrrin biosynthetic process 
ectoine biosynthetic process 
epothilone biosynthetic process 
fatty acid primary amide biosynthetic process  
flavin-containing compound biosynthetic process +   
folic acid biosynthetic process 
formamide biosynthetic process 
glucosinolate biosynthetic process +  
glutathione derivative biosynthetic process +   
glycoprotein biosynthetic process +   
hemoglobin biosynthetic process +   
holo-[acyl-carrier-protein] biosynthetic process 
indole-containing compound biosynthetic process +   
indoleacetic acid amide conjugate biosynthetic process 
kynurenic acid biosynthetic process  
L-asparagine biosynthetic process  
L-pipecolic acid biosynthetic process 
lincomycin biosynthetic process 
lipoprotein biosynthetic process +   
melatonin biosynthetic process  
methanophenazine biosynthetic process +  
mitomycin C biosynthetic process 
Mo-molybdopterin cofactor biosynthetic process +   
molybdopterin cofactor biosynthetic process  
N',N'',N'''-triacetylfusarinine C biosynthetic process +  
N-acetylneuraminate biosynthetic process  
nitrile biosynthetic process +  
novobiocin biosynthetic process 
nucleobase biosynthetic process +   
nucleoside biosynthetic process +   
ochratoxin A biosynthetic process 
pantothenate biosynthetic process 
peptide biosynthetic process +   
phenazine biosynthetic process +  
phosphatidylcholine biosynthetic process +   
platelet activating factor biosynthetic process  
primary amino compound biosynthetic process +   
pseurotin A biosynthetic process +  
pteridine-containing compound biosynthetic process +   
purine-containing compound biosynthetic process +   
pyocyanine biosynthetic process +  
pyridine-containing compound biosynthetic process +   
pyrimidine-containing compound biosynthetic process +   
pyrroloquinoline quinone biosynthetic process 
pyrrolysine biosynthetic process 
regulation of urea metabolic process +   
rhodopsin biosynthetic process 
spermidine hydroxycinnamate conjugate biosynthetic process 
sphingolipid biosynthetic process +   
sphingomyelin biosynthetic process  
sulfur amino acid biosynthetic process +   
taurine biosynthetic process +   
tensidol A biosynthetic process +  
tensidol B biosynthetic process +  
tetrapyrrole biosynthetic process +   
thiazole biosynthetic process 
thymidylate synthase biosynthetic process +   
urea catabolic process +  
urea cycle  
The sequence of reactions by which arginine is synthesized from ornithine, then cleaved to yield urea and regenerate ornithine. The overall reaction equation is NH3 + CO2 + aspartate + 3 ATP + 2 H2O = urea + fumarate + 2 ADP + 2 phosphate + AMP + diphosphate.
ureide biosynthetic process 
vibriobactin biosynthetic process 
W-molybdopterin cofactor biosynthetic process 
wybutosine biosynthetic process  

Synonyms
Exact Synonyms: ornithine cycle ;   urea biosynthesis ;   urea biosynthetic process
Alternate IDs: GO:0006594 ;   GO:0006871
Xrefs: Wikipedia:Urea_cycle
Definition Sources: GOC:pde, GOC:vw, ISBN:0198506732

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