Question

what are the two electron donors that pass electrons to electron transport chain?
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Answer 1

In oxidative phosphorylation, electrons are transferred from a low-energy electron donor such as NADH to an acceptor such as O2) through an electron transport chain. In photophosphorylation, the energy of sunlight is used to create a high-energy electron donor which can subsequently reduce redox active components

Answer 2

Explanation:

At the inner mitochondrial membrane, electrons from NADH and FADH2 pass through the electron transport chain to oxygen, which is reduced to water....

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