18. How many ATP molecutes are produced in the electron transport chain? A. 2 B. 34 C. 4 D. 38 19. Which process produces the most ATP? A. Glycolysis B. Krebs cycle C. Electron transport chain D. Fermentation 20. What is the chemical equation for cellular respiration? A 6CO_(2)+6H_(2)O+light energyarrow C_(6)H_(12)O_(6)+6O_(2) B C_(6)H_(12)O_(6)+6O_(2)arrow 6CO_(2)+6H_(2)O+ATP c C_(6)H_(12)O_(6)+ATParrow 6CO_(2)+6O_(2) D 6O_(2)+light energyarrow C_(8)H_(12)O_(6)+6CO_(2) 21.What byproduct is produced during aerobic respiration? A. Lactic acid B. Oxygen C. Carbon dioxide D. Glucose 22.Which type of respiration produces less ATP? A. Anaerobic respiration B. Aerobic respiration C. Both produce the same amount D. Fermentation