Unknown Which of these enzymes does not play a role in the generation of proton gradient during electron transport? A NADH oxidase B Succinate CoQdehydrogenase C Cytochromeoxidase D Cytochromeb-c1 💡 Explanation Which of these enzymes does not play a role in the generation of proton gradient during electron transport? ✓ Correct Answer: B. Succinate CoQdehydrogenase