Oxidative phosphorylation Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Which statement about ATP synthase is correct?
- A. It pumps protons into the matrix
- B. It makes ATP as protons flow through it
- C. It passes electrons to oxygen
- D. It is found in the matrix
2. Where are protons pumped to by the electron transfer chain?
- A. Intermembrane space
- B. Matrix
- C. Cytoplasm
- D. Outer membrane
3. What happens to oxygen in the electron transfer chain?
- A. It donates electrons
- B. It forms carbon dioxide
- C. It accepts electrons and protons to form water
- D. It is reduced to NAD
4. Which molecule gives electrons to the first carrier in the chain?
- A. ATP
- B. Reduced NAD
- C. Pyruvate
- D. Water
5. What happens to ATP synthesis if the inner membrane becomes freely permeable to protons?
- A. It increases
- B. Stays the same
- C. It falls
- D. It is made in the matrix instead