As electrons move through the proteins that reside between Photosystem II and Photosystem I, they lose energy. What is that energy used for?

a. The energy is used to pump water from the stroma of the chloroplast, maintaining osmotic balance.
b. The energy is used to harvest photons from sunlight on the leaves of the plants.
c. The energy is used to move hydrogen ions from the stromal side of the membrane to the thylakoid lumen.
d. The energy is used to break water to replenish lost electrons in an earlier step of the process.


c. The energy is used to move hydrogen ions from the stromal side of the membrane to the thylakoid lumen.

Biology & Microbiology

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