1. When a compound donates (loses) electrons, that compound becomes __________. Such a compound is often referred to as an electron donor. 2. When a compound accepts (gains) electrons, that compound becomes _________ . Such a compound is often referred to as an electron acceptor. 3. In glycolysis, the carbon-containing compound that functions as the electron donor is __________. 4. Once the electron donor in glycolysis gives up its electrons, it is oxidized to a compound called _______. 5. _________ is the compound that functions as the electron acceptor in glycolysis. 6. The reduced form of the electron acceptor in glycolysis ______.