Answer:
These reactions are collectively called the urea cycle or the Krebs-Henseleit cycle. Ammonia is a toxic product of nitrogen metabolism which should be removed from our body. The urea cycle or ornithine cycle converts excess ammonia into urea in the mitochondria of liver cells.
They are buried in the core of the structure.
In the attachment are some examples:
It is Codominance. Examples for this phenomenon is ABO blood groups.
