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blondinia [14]
3 years ago
15

When light energy excites electrons in photosystem where do the electrons to replace them come from

Biology
1 answer:
mel-nik [20]3 years ago
8 0
Light excites the electrons in chlorophyll a molecules of photosystem 1. As these electrons move to another primary electron receptor, electrons from photosystem 2 replace them.
Therefore the answer is FROM PHOTOSYSTEM 2.
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