And inside our liver, the point of the citric acid cycle is to help us generate oxyloacetate. Why? Because oxalo acetate is ultimately the starting material to produce glucose via gluconeogenesis as it takes place inside our liver cell. So if we can form any one of these intermediate molecules, that can ultimately help us form oxalo acetate, and that can lead to glucose production. Now, inside our liver, we can actually use Pyruvate to basically form oxalo acetate. And this pathway is catalyzed by the enzyme Pyruvate carboxylase.