Talk:Photosystem
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[edit] Which evolved first?
There is a conflict in some of the sources:
- Photosystem II (so numbered because, while it was most likely the first to evolve, it was the second one discovered).
- Photosystem I evolved very early; photosystem II evolved later.
Any idea which oorrect? Looks like PSI evolved prior to PSII. --Michael C. Price talk 20:37, 11 April 2008 (UTC)
