Urea cycle

The urea cycle converts highly toxic ammonia to urea for excretion. This cycle was the first metabolic cycle to be discovered, and provided key insights into nitrogen metabolism in mammals.
Hans Adolf Krebs England 1932
Urea cycle

The urea cycle converts highly toxic ammonia to urea for excretion. This cycle was the first metabolic cycle to be discovered, and provided key insights into nitrogen metabolism in mammals.