Bigguccishane Bigguccishane

07-07-2016
Biology

Answered

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

Verified Answer :

07-07-2016

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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