It increases the proton concentration in the thylakoid lumen. It serves as the final electron acceptor for the photosystem II electron transport chain. Both A and B. 18. A. Chlorophyll absorbs more green than red light. B. Plant can use all colors of light for photosynthesis.
Every color of light is equally good for photosynthesis.
D. Green light produces the most efficient photosynthesis. A. Respiration is the exact reversal of the chemical reactions of photosynthesis. B. Photosynthesis stores energy in complex organic molecules and respiration releases it. C. Photosynthesis occurs only in plants and respiration occurs only in animals. D. ATP molecules are produced in photosynthesis and used up in respiration.