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.
The phase of the moon now is Waxing gibbous. Gibbous means that the other half is visible but is not full. This phase includes the night after first quarter and the night before the full moon.
