UNIT I - LCSNC

The photosynthetic unit contains two different photosystem. Each photosynthetic unit contains a slightly different type of antenna and reaction center. One photosystem , p680 or photosystem II, absorbs light rays with a wavelength of 680 nm. The other photosystem, p700, or photosystem I absorbs light rays that have a 700 nm wavelength. ................
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