And these pyruvates are basically transported via these membranes into the mitochondrial matrix of this mitochondrion found inside that cell. Now, once our pyruvate molecules are inside the mitochondrial matrix, they will undergo a process known as oxidative decarboxylation, and this process is known as pyruvate decarboxylation. So basically, three enzymes joined together to form an enzyme complex known as pyruvate dehydrogenase complex. And what this complex basically does is it takes the pyruvate, it uses two Cofactors, one NAD plus and one coenzyme A, or simply COA, to transform the pyruvate into acetyl coenzyme A. So basically, the pyruvate is decarboxylated to produce our Co to the carbon dioxide. And then the remaining two carbon molecule mixes with the coenzyme A to produce acetyl coenzyme A.