Which of the Following Statements Concerning the Light Reactions of Photosynthesis

Multiple Choice

Which of the following statements concerning the light reactions of photosynthesis is true?

A) Photosystem I cannot operate independently of photosystem II.
B) Photosystems I and II are activated by different wavelengths of light.
C) Photosystems I and II transfer electrons and create proton equilibrium across the thylakoid membrane.
D) Photosystem I is more significant than Photosystem II.
E) Oxygen gas is a product of Photosystem I.