Question

What is the ultimate donor of electrons in the light reaction of photosynthesis

Answer 1

The final electron donor is Ferredoxin
The final electron acceptor is NADP. In oxygenic photosynthesis, the firstelectron donor is water, creating oxygen as a waste product. In anoxygenic photosynthesis variouselectron donors are used. Cytochrome b6f and ATP synthase work together to create ATP.

Check the attachment to understand the full process of Photophosphorylation.