So ultimately, what actually moved across the membranes of the mitochondria are the oxalo acetate and the Cecil group that was attached onto oxalo acetate. And it's the Cecil group that will ultimately be used to synthesize those fatty acids. So it's this acetyl coenzyme a that will now go on to help synthesize fatty acid molecules as we'll discuss in the next several lectures. Now, what about this oxalo acetate? What is the fate of this oxylo acetate? Well, now we actually have to transform the oxalo acetate into a molecule that can move across the membrane back onto the matrix of the mitochondria so that we can recycle and reuse that oxylo acetate.