Explain how hemoglobin is metabolized and recycled in the body. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). B I US Paragraph Arial 14px v < iii 5 E P: What substance binds the electrons and hydrogen ions that play a critical role in the process of the electron transport chain? What is the value of producing lactic acid during anaerobic metabolism? a. It donates ATP to the process of glycolysis to provide sustainable fuel for the cycle. b. It accepts electrons and H+ from NADH to allow glycolysis to continue to occur. d. It produces glucose to continue fueling glycolysis and ATP production.