Answer
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Work Step by Step
The differences between substrate level and oxidative phosphorylation are as follows:
In substrate phosphorylation, the phosphate group from the reactants is transferred to the ADP molecule through an enzyme-mediated reaction to form ATP, whereas in oxidative phosphorylation, ATP is formed by combining ADP and Pi.
Proton-motive force and chemiosmosis are the driving forces behind oxidative phosphorylation. A phosphorylated substrate provides energy for substrate-level phosphorylation.
Both types of phosphorylation reactions produce the energy currency in the form of ATP. ADP is not phosphorylated with free Pi and requires enzymatic activity since it is an endergonic reaction.
