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How do electrons gain energy in photosystem I?

A. They take energy from the ATP molecules

B. They absorb photons.

C. They use energy from a hydrogen ion pump

D. They use energy in the form of glucose.

2 Answers

5 votes
It’s B they absorb protons
User Al Berger
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4 votes
Answer is B. They absorb photons from sunlight.
User Scott Isaacs
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