Photosynthesis

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Slide 21

PETC

Photon

Photosystem

Slide 22

Photosynthetic Electron Transfer Chain (PETC)

series of electron carriers which take electrons from photosystem, and

ultimately carry electrons to NADP+

Slide 23

Photosystems

Experiments in the 1940’s suggested that light photons are absorbed at 2 different points along the same PETC.…

In fact, there are two Photosystems in operation